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Human Nutrition Comp Exam
University of Bridgeport Nutrition Comp Exam
806
Health Care
Graduate
09/06/2012

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Term
Lesions
Definition
Structural changes identified by gross or microscopic examination
Term
Symptoms
Definition
Subjective manifestations
Term
Signs
Definition
Objective findings
Term
Asympyomatic disease
Definition
Not associated with symptoms or discomfort
Term
Symptomatic disease
Definition
Associated with symptoms and abnormal physical findings
Term
Etiology
Definition
Cause of disease
Term
Pathogenesis
Definition
Manner in which disease develops
Term
Congenital and hereditary disease
Definition
Caused by genetic or chromosomal abnormality, intrauterine injury, or interaction of genetic and environmental factors.
Term
Inflammatory disease
Definition
Associated with disease
Term
Degenerative disease
Definition
Associated with degeneration of tissue or organs
Term
Metabolic disease
Definition
Associated with disturbed metabolic processes
Term
Neoplastic disease
Definition
Caracterized by various benign and malignant tumors
Term
Clinical history
Definition
Information obtained from patient
Term
Physical examination
Definition
Objective findings obtained by clinician
Term
Differential diagnosis
Definition
Consideration of possible diseases that could be responsible for clinical manifestations
Term
Specific treatment
Definition
Produces curative effect
Term
Symptomatic treatment
Definition
Alleviates symptoms but does not alter course of disease
Term
Requirements for effective screening
Definition
  • Significant population at risk
  • Inexpensive noninvasive test available 
  • Early ID and treatment yields favorable outcome 
Term
Invasive procedure
Definition
Invades patient body to obtain diagnostic information
Term
Non-invasive procedure
Definition
Not associated with significant risk or discomfort
Term
Clinical laboratory tests
Definition
Chemical, serologic, microbiology on blood and body fluids
Term
Tests measuring electrical activity
Definition
ECG, EEG, EMG
Term
Radioisotope studies
Definition
Determines uptake and excretion of radioactive materials
Term
Endoscopy
Definition
Examines interior of body with specially designed instruments
Term
Ultrasound
Definition
High frequency sound waves directed into the body creating echoes based on differening densities of body organs. Used to evaluate body structure and functions.
Term
X-ray examination
Definition
X-rays absorbed in proportion to density of tissues
Term
X-rays using contrast media
Definition
Outline structures that cannot be visualized on standard films
Term
CT scans
Definition
X-rays transmitted to the computer produce cross-section views through various levels of the body
Term
MRI
Definition
detects same type of abnormalities as CT, but based on movement of protons in magentic field; has advantages over CT in special situations
Term
PET scans
Definition
measure metabolism of biochemical compounds labeled with positron-emitting isotopes as measure of organ function (VERY Expensive and not widely available)
Term
Cytologic and histologic examinations
Definition
smears and biopsy samples taken from patients's body have characteristic patterns that permit recognition
Term
Ectoderm
Definition
External coverings, nervous system, eyes, ears
Term
Entoderm
Definition
Lining of body and associated organs
Term
Mesoderm
Definition
supporting tissue, muscle, circulatory system, urogenital system
Term
Diffusion
Definition
movement of solute from concertated to dilute solution
Term
Osmosis
Definition
movement of water from dilute to more concentrated solution
Term
Osmotic pressure
Definition
a measure of concentration. Depends on number of dissolved particles. Toinicity = osmolarity
Term
Active Transport
Definition
Expends Energy. Transfer of materials against a concentration gradiet. Necessary to maintain proper concentration of interacellular and extracellular ions
Term
Phagocytosis
Definition
ingestion of particulate material
Term
Pinocytosis
Definition
Ingestion of water
Term
Atrophy
Definition
reduction in size in response to unfavorable conditions
Term
hypertrophy
Definition
increase in cell size for more efficient function
Term
Hyperplasia
Definition
increase in number of cells to increase functional capabilities
Term
Metaplasia
Definition
change from one type of cell to a more resistant type of cell
Term
Dysplasia
Definition
Disturbed development, may proceed to neoplasia
Term
Increased Enzyme Synthesis
Definition
Adaptation in order to inactivate or detoxify materials more efficiently
Term
Cell Swelling
Definition
mechanism for transporting sodium out of cell begins to fail when cell is injured. Sodium diffuses into cell along with water, causing cell to swell
Term
Fatty Change
Definition
fat metabolism impaired; fat accumulated in cell
Term
Prophase
Definition
chromosomes shorten, nuclear membrane breaks down, and spindle forms
Term
Metaphase
Definition
chromosomes line up in middle of cell
Term
Anaphase
Definition
chromosomes pull apart
Term
Telophase
Definition
two daughter cells form
Term
Mitosis
Definition
No reduction in chromosomes, daughter cells identical with parent cell. Characteristic of somatic cells.
Prophase, Metaphase, Anaphase, Telophase
Term
Sex chromosome
Definition
X inactivated and attached to nuclear membrane (female)
Y chromosome appears as bright flurescent spot in intact cell (male)
Term
Meiosis
Definition
Chromosomes reduced by half and modified by crossover. Characteristc of germ cells
Term
First Meiotic division
Definition
homologous chromosomes synapse and exchange segments. Homologus chromosomes separate, and saughter cells reform, each containing one member of homologus pair. Chromosomes reduced by half
Term
Second meitotic division
Definition
Like mitosis, but each cell has only 23 chromosomes
Term
Spermatogonia
Definition
46 Chromosomes. Form primary spermatocytes. Primary spermatocytes form 2 secondary spermatocytes.
Term
Secondary spermatocytes
Definition
Formed from primary spermatocytes and has 23 chromosomes
Term
Spermatids
Definition
Two are formed from one secondary spermatocyte. These mature into sperm.
Term
Oogonia
Definition
46 chromosomes. Forms primary oocytes in fetal ovaries.
Term
Primary Oocyte
Definition
Forms primary follicle and begins prophase of meiosis but does not carry it through. Completes first meiotic division to form secondary oocyte and polar body.
Term
FSH-LH
Definition
Hormones required to mature follicles. One follicle is ovulated each cycle.
Term
Secondary Oocyte
Definition
Has 23 chromosomes and completes second meiotic division and if fertilized it forms mature ovum. Pairs with polar body which has other 23 chromosomes.
Term
Homozygous
Definition
Alleles the same
Term
Heterozygous
Definition
alleles differ and expression of genes vary
Term
Recessive
Definition
gene expressed in homozygous state
Term
Dominant
Definition
gene experssed in heterozygous state
Term
Co-Dominant
Definition
both alleles expressed
Term
Sex Linked Genes
Definition
Carried on X chromosome.
Female 2 X's
Male only 1 X and 1 Y and can inherit hereditary disease if received on X chromosome
Term
Gene Therapy
Definition
gene introduced into cell with denetic defect to compensate for missing for dysfunctional gene. Procedure has great potential but many limitations
Term
Characteristics of Inflammatory Reaction
Definition
Dilation of blood vessels
Migration of leukocytes through vessel walls to the site of inflammation
Increased Capillary Permiability
Extravasation of fluids
Term
Clinical Manifestations of Inflammation
Definition
Heat and redness: dilated blood vessels
Swelling: accumulation of fluid and exudate
Tenderness and pain: irritation of nerve endings
Term
Serous Inflammation
Definition
Chiefly fluid exudate
Term
Purulent Inflammation
Definition
chielfy inflammatory cells
Term
Fibrinous inflammation
Definition
Exudate rich in protein, which coagulates
Term
Hemorrhagic Inflammation
Definition
many capillaries ruptured, allowing escape of red cells
Term
Systemic Effects of Inflammation
Definition
Patient Feels ill
Elevated Temperature
Leukocytosis
Term
Resolution of Inflammation
Definition
Inflammation subsides and tissues return to normal
Term
Repair of Inflammation
Definition
Replacement of damaged cells and tissues. Large areas of destruction replaced by scar tissue.
Term
Mediators of Inflammation
Definition
Intensify inflammatory process and generate more mediators.
Term
Mast Cells
Definition
Discharge granules containing mediators
Term
Kinins
Definition
Form from blood proteins leaking into inflamed areas. Activation of complement generates mediators
Term
Lysosomal Enzymes
Definition
Released from leukocytes causing tissue injury
Term
Corticosteroids
Definition
May be needed to suppress inflammatory reaction to reduce tissue damage.
Term
Infection
Definition
An inflammation caused by a pathogenic organism
Term
Cellulitis
Definition
Acute spreading infection
Term
Abscess
Definition
Tissue breakdown forming pus pockets
Term
Lymphadenitis
Definition
Inflammation of draining lymph nodes
Term
Septicemia
Definition
Blood stream infection
Term
Factors influencing Outcome
Definition
Virulence of organism
Dosage
Resistance of host's body
Term
Chronic Infection
Definition
Organisms and host evenly balanced
Lymphocytes and plasma cells predominate
Term
Diagnosis
Definition
The determination of the nature and cause of a patiient's illness
Term
prognosis
Definition
The probable outcome of a disease or a disorder; the outlook for recovery
Term
Cell Injury
Definition
Swelling and Fatty Change are the two most common changes exhibited by this type of cell.
Term
Inflammatory REaction
Definition
A nonspecific response to any agent that causes cell injury
Term
Exudate
Definition
The fluid, leukocytes, and debris that accumulates as a result of an inflammation.
Term
Lymphocytes
Definition
The type of immune cell that responds to foreign antigens by releasing chemical messengers called lymohokines.
Term
Humoral Immunity
Definition
Immunity associated with formation of antibodies produced by plasma cells
Term
Cell-Mediated Immunity
Definition
Immunity associated with population of sensitized lymphocytes
Term
Hypersensitivity
Definition
A state of abnormal reactivity to a foreign material
Term
Autoantibody
Definition
An antibody formed against one's own cells or tissue components
Term
Autoimmune disease
Definition
A disease associated with formation of cell-mediated or humoral immunity against the subjects own cells or tissue components
Term
Cytokine
Definition
A general term for any protein secreted by cells that functions as an intercellular messenger and influences cells of the immune system.
Term
Types of Lymphocytes
Definition
  • T (thymus) lymphocytes
  • B (bone marrow) lymphocytes
Term
Percentage of the types of lymphocytes
Definition
2/3 are T lymphocytes
10-15% are Natural Killer Cells or NK cells
The remainder are B lymphocytes
Term
Complement System
Definition
Functions along with the immune system to destroy or inactivate all types of foreign antigens, including invading microorganisms. Generates an attack complex to target the abnormal cells
Term
Two Ways The Complement System Can Be Activated
Definition
Classical Pathway: triggered by antigen-antibody interactions (C1, C4, C2)
Alternative Pathway: Activated by bacterial cell wall material or products of the inflammatory process (B, D, P)
Term
Antibodies
Definition
Globulins produced by plasma cells and are called immunoglobulins. There are 5 types: IgM, IgG, IgA, IgD, IgE
Term
IgG
Definition
Most prevalent Immunoglobulin. Produced rapidly in large amounts. Crosses placenta to protect fetus.
Term
IgA
Definition
Found in bloodstream, mucous membranes of the GI and respiratory tract and in breast milk
Term
Tumor
Definition
A benign or malignant overgrowth of tissues that serves no normal function
Term
Neoplasm
Definition
overgrowth of cells that serves no useful purpose and appear to not be subject to the control mechanisms that normally regulate cell growth and differentiation
Term
Benign Tumors
Definition
Tumor that has a slow growth rates, remains localized, has well differentiated cells and expands rather than infiltrates.
Term
Malignant Tumors
Definition
Tumor that has a rapid growth rates, spreads to the bloodstream and lymphatics, does not contain many differentiated cells and infiltrates other tissues
Term
Polyp and Papilloma
Definition
A descriptive term for a benign tumor projecting from an epithelial surface
Term
Naming of Benign Tumors
Definition
Adding the suffix of -oma to the prefix that designates the cell of origin
Term
Malignant Tumors
Definition
Three types: carcinomas, sarcomas and leukemias
Term
Carcinoma
Definition
A malignant tumor derived from epithelial cells
Term
Sarcoma
Definition
A malignant tumor arising from connective and supporting tissue
Term
Leukemia
Definition
A neoplastic proliferation of leukocytes. Refers to any neoplasm of blood-forming tissues.
Term
Lymphoma
Definition
All neoplasms of lymphoid tissue and are almost always malignant.
Term
Hemopoiesis
Definition
The normal formation of blood cells in the body which starts in the bone marrow
Term
Blood Coagulation
Definition
Three phases that can be triggered either intrinsiclly or extrinsiclly.
Term
Phase One of Coagulation
Definition
Involves platelets, plasma factors and triggered by tissue injury forming thromboplastin
Term
Phase Two of Coagulation
Definition
Prothrombin is turned into thrombin by action of plasma factors
Term
Phase Three of Coagulation
Definition
Fibrinogen is turned into fibrin by action of plasma factors
Term
Thromboplastin
Definition
A component formed during blood coagulation from interaction of platelets and plasma components (intrinsic system) or liberated from injured tissues (extrinsic system)
Term
Plasma Factors
Definition
Components of blood plasma that contain several different proteins that are designed to interact to form a blood clot. Examples are Fibrinogen, Prothrombin, ect.
Term
Blood Disorders
Definition
Four main categories of disturbances of blood coagulation: small blood vessels, platelet function, deficiency of plasma coagulation factor, liberation of thromboplastic material into the circulation
Term
Thrombocytopenia
Definition
A deficiency of platelets
Term
Hematomas
Definition
Often caused by a deficiency of plasma coagulation factors
Term
Partial Thromboplastin Time
Definition
Whole blood clotting time
Term
Prothrombin Time
Definition
Measures phase 2 and phase 3 time for blood coagulation
Term
Thrombin Time
Definition
Measures phase 3 time for blood coagulation
Term
Thrombosis
Definition
A blood clot formed within the vascular system
Term
Embolism
Definition
A condition in which a plug composed of a detached clot, mass of bacteria, or other foreign material occludes a blood vessel
Term
Infarct
Definition
Necrosis of tissue caused by interruption of its blood supply
Term
Congestive Heart Failure
Definition
Also called chronic heart failure. The heart is no longer able to pump adequate amounts of blood to the tissues. The pumping capability of both ventricles slowly declines.
Term
Primary/ Essential Hypertension
Definition
Resulting from excessive vasoconstriction of the small arterioles which raises diastolic pressure. A rise in systolic pressure is caused by the compensatory effect of the vasoconstriction
Term
Secondary Hypertension
Definition
When hypertension is caused as a result from a known disease such as CKD, endocrine gland dysfunction or hyperactive thyroid gland
Term
Atherosclerosis
Definition
Lipid deposits of fat and cholesterol accumulate in the arteries by diffusion from the bloodstream causing a narrowing of the arteries.
Term
Thrombophlebitis
Definition
Inflammation of a vein that is associated with a blood clot. It is treated by elevation of the leg, heat, and anticoagulant drugs
Term
Risk Factors for Heart Disease
Definition
Elevated Lipid Levels
Elevated Blood Pressure
Cigarette Smoking
Diabetes
Obesity
Term
Causes of Heart Failure
Definition
Can be causes by either forward failure or backward failure depending on the mechanisms responsible for the decline in blood flow
Term
Forward Heart Failure
Definition
Initial effect is considered to be insufficient blood flow to the tissues
Term
Backward Heart Failure
Definition
Inadequate output of blood is considered to cause back up of blood within the veins draining back to the heart leading to things such as edema.
Term
Pericarditis
Definition
condition in which the sac-like covering around the heart (pericardium) becomes inflamed. Often the result of infection or prior disease or disorder. Chest pain, SOB, and/or leg swelling
Term
Myocarditis
Definition
Usually viral, occasionally other pathogens or hypersensitivity state. Onset usually abrupt with eventual complete recovery
Term
Rheumatic Heart Disease
Definition
Rheumatic fever is a complication of beta-streptococcal infection and causes valvular damage. Healing leads to valve scarring
Term
Ischemic Heart Disease
Definition
Used synonymously with coronary heart disease. Designates heart disease as a result of inadequate blood flow through the coronary arteries
Term
Hypovolemic Shock
Definition
Caused by low blood volume, leading to a corresponding drop in blood pressure. Most of the time caused by large hemmorrhage that reduces circulating blood volume.
Term
Cardiogenic Shock
Definition
Caused by inadequate or impaired cardiac pumping/cardiac output. Usually a complication of myocardial infarction
Term
Septic Shock
Definition
Results from excessive dilation of the body's blood vessels, in which the volume of circulating blood is insufficient to fill adequately the greatly expanded capacity of the blood vessels.. Usually the result of
Term
Anaphylactic Shock
Definition
Results from excessive vasodilation caused by the widespread release of mediators of inflammation from mast cells and basophils, which is often followed by circulatory collapse.
Term
Pneumonia
Definition
Inflammation of the lungs characterized by the same type of vascular changes and exudation of fluid and cells that happen in other parts of the body.. Can be classified by either etiology, anatomic distribution of the inflammation or predisposing factors
Term
Asthma
Definition
Spasmodic contraction of bronchial smooth muscle narrowing air passages. Many times caused by allergies
Term
COPD
Definition
2 Types: Chronic Bronchitis and Emphysema. Characterized by dyspnea, cyanosis and reduced hemoglobin. Anatomic derangements are inflammation and narrowing of the terminal bronchioles, dilation and coalescence of pulmonary air spaces. and loss of lung elasticity.
Term
Pneumothorax
Definition
Accumulation of air in the pleural cavity
Term
Atelectasis
Definition
Collapse of the lung, either caused by bronchial obstruction or external compression
Term
Emphysema
Definition
fine alveolar structures of the lung are destroyed and large cystic air spaces form throughout the lung.
Term
Ulcers
Definition
Results from digestion of the mucosa by acid gastric juices. Persons who secrete large amounts of acid are at risk and may be caused by H. pylori infection
Term
Ulcerative Colitis
Definition
One type of irritable bowel syndrome.
Term
Crohn's Disease
Definition
Another type of irritable bowel syndrome that is normally not affecting the colon
Term
Anorexia Nervosa
Definition
Persons affected have a false perception of being too fat when they are actually much too thing and they continue to lose weight by restricting food intake and exercising excessively.
Term
Ulcer complications
Definition
hemorrhage, perforation, and obstruction
Term
Bulimia Nervosa
Definition
Characterized by the repeated episodes of binge eating followed by purging. Body weight may fluctuate in relation to their binge-purge behavior but they do not become emaciated like in anorexia.
Term
Causes of Liver Disease
Definition
Viral hepatitis, Fatty liver, alcoholic liver and cirrhosis
Term
Hepatitis D
Definition
Only infects people already infected with hepatitis B virus. Small defective RNA virus. This type is mostly seen in drug users using contaminated needles
Term
Causes of Pancreatitis
Definition
Pancreatitis can either be acute or chronic. Acute causes pancreas to be digested when pancreatic juices escape from ducts. Mild inflammation is the cause of chronic pancreatitis and the pancreatic tissue is slowly destroyed.
Term
Hepatitis A
Definition
a RNA containing virus that has a short incubation period of 2-6 weeks. Virus secreted from nose and throat secretions and in the stool for 2 weeks after onset of symptoms. Spread through person-to-person contact or fecal oral route.
Term
Hepatitis B
Definition
A DNA containing virus that has an inner and outer coat to the molecule. Long incubation period of 6 weeks to 4 months. Transferred through blood or body fluids.
Term
Hepatitis C
Definition
RNA containing virus with incubation of 3-12 weeks. Transmitted through blood or body fluids. No vaccine available like the other forms of hepatitis
Term
Hepatitis E
Definition
RNA virus transmitted through the fecal-oral route. Mostly seen in third world countries and is associated with contaminated water sources.
Term
Causes of Goiter
Definition
Enlargement of the thyroid gland is caused by inadequate secretion of thyroid hormone, iodine deficiency, enzyme deficiency, impaired enzyme function or increased hormone requirements.
Term
Type I Diabetes Mellitus
Definition
Caused by damage to pancreatic islet cells. Insulin secretion reduced or absent. Mostly found in children and young adults. Ketosis prone
Term
Type II Diabetes Mellitus
Definition
More common type and insulin secretion normal or increased. Insulin insensitivity and not associated with ketosis.
Term
Cushing's Syndrome
Definition
Excess production of adrenal corticosteroids leading to increased glucose levels, impaired protein synthesis, muscle weakness and bone weakness, along with trunk obesity with thin extremeties.
Term
Addison's Disease
Definition
Under production of adrenal hormones caused by atrophy or destruction of adrenal glands causing a deficiency in steroid hormones. Leads to low glucose levels, inability to regulate electrolytes, and decreased blood pressure and blood volume
Term
Causes of Goiter
Definition
Enlargement of the thyroid gland is caused by inadequate secretion of thyroid hormone, iodine deficiency, enzyme deficiency, impaired enzyme function or increased hormone requirements.
Term
Type I Diabetes Mellitus
Definition
Caused by damage to pancreatic islet cells. Insulin secretion reduced or absent. Mostly found in children and young adults. Ketosis prone
Term
Type II Diabetes Mellitus
Definition
More common type and insulin secretion normal or increased. Insulin insensitivity and not associated with ketosis.
Term
Cushing's Syndrome
Definition
Excess production of adrenal corticosteroids leading to increased glucose levels, impaired protein synthesis, muscle weakness and bone weakness, along with trunk obesity with thin extremeties.
Term
Addison's Disease
Definition
Under production of adrenal hormones caused by atrophy or destruction of adrenal glands causing a deficiency in steroid hormones. Leads to low glucose levels, inability to regulate electrolytes, and decreased blood pressure and blood volume
Term
Causes of Urinary Calculi
Definition
Most are formed of either uric acid or calcium salts and can be formed anywhere in the urinary tract. Three dispositions to stone formation: increased concentration of salts, infection of the urinary tract, urinary tract obstruction
Term
Glomerulonephritis
Definition
An inflammation of the glomeruli caused by either antigen-antibody complexes trapped in the glomeruli, or by anti-glomerular basement membrane antibodies
Term
Pyelonephritis
Definition
Most of the time secondary to spread of infection from the bladder (ascending) but can be caused by organisms carried to the kidneys through the blood stream (hematogenous).
Term
Dehydration
Definition
Most common disturbance of water balance. Caused by inadequate water intake or excessive water loss (diarrhea or vomiting)
Term
Water Intoxication
Definition
Can result from administering too much fluid intravenously or when a person with impaired renal function drinks large amounts of fluid which the kidneys are unable to excrete. Can also be caused by a normal person drinking too much water and causing hyponatremia
Term
Function of ADH
Definition
Antidiuretic hormone. Posterior lobe pituitary hormone that regulates urine concentration by altering the permeability of the renal collecting tubules.
Term
Respiratory Acidosis
Definition
Inefficient excretion of carbon dioxide by lungs. Compensation by kidneys forms additional bicarbonate ions. Usually caused by chronic pulmonary disease
Term
Respiratory Alkalosis
Definition
Leads to hyperventilation that causes lower PCO2 levels. The body compensates by increasing excretion of bicarbonate in the kidneys. Caused by severe anxiety with hyperventilation, stimulation of respiratory center by drugs and/or central nervous disease.
Term
Metabolic Acidosis
Definition
Excess endogenous acid depletes bicarbonate causing hyperventilation to lower PCO2 and the kidneys excrete more hydrogen ions and forms more bicarbonate. Causes renal failure, ketosis, and overproduction of lactic acid
Term
Metabolic Alkalosis
Definition
Leads to excess plasma bicarbonate and the body does not have any compensation. Caused by lack of gastric juices, chloride depletion, excess corticosteroid hormones, or ingestion of excessive bicarbonate or antacids
Term
Ricketts
Definition
Impaired calcification of bone in a growing child caused by Vitamin D deficiency, which leads to bowing of the leg bones when weight bearing is attempted.
Term
Osteomalacia
Definition
Impaired calcification of bone in an adult caused by vitamin D deficiency, which also contributes to bone loss caused by osteoporosis.
Term
Osteoporosis
Definition
Generalized thinning and demineralization of bone that tends to occur in postmenopausal women.
Term
Rheumatoid Arthritis
Definition
A systemic disease primarily affecting the synovium with major manifestations in the small joints
Term
Osteoarthritis
Definition
A "wear and tear" degeneration of the major weight bearing joints.
Term
Endometriosis
Definition
Presence of endometrial tissue in abnormal locations, such as in the ovaries or pelvis
Term
Cervical Carcinoma
Definition
A type of cancer that can progress from mild-severe dysplasia of cells in the cervix. Can be caused by HPV.
Term
CVA
Definition
Cerebral Vascular Accident. An Injury to the brain resulting in a disturbance of cerebral blood flow caused by a cerebral thrombosis, cerebral embolism, or cerebral hemorrhage.
Term
TIA
Definition
Temporary cerebral dysfunction as a result of transient obstruction of a cerebral vessel by a bit of atheromatous debris or blood clot usually embolized from an arteriosclerotic plaque in the carotid artery.
Term
Wet Stroke
Definition
Hemorrhages in the subarachnoid space or from an intracerebral vessel
Term
Dry Stroke
Definition
formation of blood clots in brain arteries or from emboli that travel to the brain and lodge in an artery, shutting off the blood supply
Term
Cerebral Thrombosis
Definition
A stroke caused by a thrombosis of an arteriosclerotic cerebral artery
Term
Cerebral Emobolus
Definition
A stroke caused by a blockage of a cerebral artery by a blood clot that had formed elsewhere in the circulatory system and was transported in the blood stream to the brain.
Term
Cerebral Hemorrhage
Definition
A stroke caused by rupture of a cerebral artery, usually in a person with hypertension, which allows blood to escape under high pressure into the brain
Term
Parkinson's
Definition
A chronic disease of the central nervous system characterized by rigidity and tremor, caused by decreased concentration of dopamine in the central nervous system
Term
Multiple Sclerosis
Definition
Chronic disease characterized by focal areas of demyelination in the central nervous system, followed by glial scarring.
Term
Cerebral Palsy
Definition
Cerebral palsy is a group of disorders that can involve brain and nervous system functions, such as movement, learning, hearing, seeing, and thinking.There are several different types of cerebral palsy, including spastic, dyskinetic, ataxic, hypotonic, and mixed.
Term
Alzheimer's
Definition
A progressive disease that affects primarily middle-aged and older people. Characterized by failure of recent memory followed by difficulties in thinking, reasoning, and judgment. Often associated with emotional disturbances such as depression, anxiety and irritability.
Term
nociception
Definition
the ability to feel pain, caused by stimulation of a nociceptor. Physiologically, it is composed of four processes: transduction, transmission, modulation, and perception. Called also pain sense, algesia, and algesthesia.
The four processes that make up nociception: transduction, transmission, modulation, and perception.
Nociception triggers a variety of autonomic responses and may also result in a subjective experience of pain in sentient beings.[3]
Term
Referred Pain
Definition
Referred pain (also reflective pain) is pain perceived at a location other than the site of the painful stimulus
Term
Phantom Pain
Definition
perceptions that an individual experiences relating to a limb or an organ that is not physically part of the body
Term
Acute Pain
Definition
Acute pain might be mild and last just a moment, or it might be severe and last for weeks or months. In most cases, acute pain does not last longer than six months, and it disappears when the underlying cause of pain has been treated or has healed
Term
Chronic Pain
Definition
Chronic pain persists despite the fact that the injury has healed. Pain signals remain active in the nervous system for weeks, months, or years. Physical effects include tense muscles, limited mobility, a lack of energy, and changes in appetite. Emotional effects include depression, anger, anxiety, and fear of re-injury
Term
Concussion
Definition
Injury to the brain may be manifested by loss of consciousness and various neurologic disturbances. Brain may become swollen and show evidence of pinpoint hemorrhages as a result of a severe blow or other trauma.
Term
Subderal Hematoma
Definition
Between the dura and arachnoid
Term
Epidural hematoma
Definition
Between the outer layer of dura and the cranial bones
Term
Subarachnoid Hematoma
Definition
Between the arachnoid and the pia
Term
Glycemic Index
Definition
The increase in blood glucose levels over the baseline level during a 2-hr period for a defined amount of carbohydrates compared with the same amount of carbohydrate in a reference food.
Term
Glycemic Load
Definition
A weighted average of the glycemic indexes of all foods eaten throughout the day
Term
Influence of food composition and food prep on GI/GL
Definition
Food ripeness, cooking temperature and processing can all affect the glycemic response of a food, therefore making glycemic index an unreliable source alone for glucose control
Term
High Glycemic Index Foods
Definition
Bread, Sucrose, potato
Term
Low Glycemic Index Foods
Definition
peanuts,beansprouts, grapefruit
Term
Causes of Insulin Resistance
Definition
Thought to be caused by an abnormality in the sequence of events that follows the binding of insulin to its receptor and leads the cell's normal response to that signal. Thought to be a problem with the synthesis or mobilization of the cell's glucose transporters.
Term
Health Consequences of Insulin Resistance
Definition
The decrease in GLUT 4 transporters and mRNA caused by insulin resistance seems to have a direct link to adiposity
Term
Nomenclature of Eicosanoid Precursors
Definition
Eicosanoid precursors are the essential fatty acids linoleic and linolenic acids. These fatty acids have 2 types of naming systems.
Term
Dietary Omega-3 Sources
Definition
Salmon, Fish Oil, Flaxseed and walnuts
Term
Dietary Omega-6 Sources
Definition
Safflower, Grapeseed and Sunflower Oils
Term
Health Implications of Fatty Acids/Eicosanoids
Definition
Omega 3 fatty acids are known for their hypolipidemic and antithrombotic effects, while omega 6 fatty acids have been linked to increasing inflammation in the body.
Term
The Delta Naming System
Definition
For naming fatty acids this system denotes the chain length of the fatty acid and the number and position of any double bonds that may be present.
Term
The Omega Naming System
Definition
For naming fatty acids this system by noting the position of the double bonds on the carbon atom counted from the methyl or omega end of the carbon chain.
Term
Free Radical Chemistry
Definition
An atom or molecule that has one or more unpaired electrons, The unpaired electrons are found alone in the outer orbital and is usually denoted by a superscript dot next to the element. The imbalance in electrons in the orbitals results in most cases in the high reactivity of the free radicals.
Term
Generation of Reactive Species
Definition
Formed on exposure to substances such as smog, ozone, chemicals, drugs, radiation and high oxygen. Radicals also breed more radicals.
Term
Damage due to Reactive Species
Definition
Free radicals attack by taking electrons from cell constituents as well as from proteins and polyunsaturated fatty acids. Oxidative damage to these elements may cause changes in the structure of the cell and lead to degradation.
Term
Antioxidant Nutrient Functions
Definition
Vitamins, along with several other antioxidant compounds, function to help control or eliminate free radicals
Term
Regeneration of Antioxidants
Definition
Important for further defense against free radicals since antioxidants are oxidized in the process of removing free radicals.
Term
Antioxidants and Disease
Definition
Overproduction of reactive species is thought to contribute to aging and the development of several disease including cancer, heart disease, DM and cataracts. Antioxidant supplementation may help to reduce ROS related issues.
Term
Reactive Oxygen Species
Definition
Free radicals that contain oxygen
Term
Some Reactive Oxygen and Nitrogen Species
Definition
Superoxide, Hydroxyl, Hydroperoxyl, Alkoxyl, Peroxyl, Ozone, Singlet Oxygen, Hypochlorous Acid, Hydrogen Peroxide, Nitric Oxide, Nitrogen Dioxide, Nitrous Acid, Peroxynitrite, Alkyl Peroxynitritie
Term
Superoxide Radical
Definition
(O2-) oxygen centered radical, made when oxygen molecules interact with different compounds such as catecholamines or produced by the electron transport chain or in white blood cells. Removed by Vitamin C, Zinc, Copper, and Manganese.
Term
Hydrogen Peroxide
Definition
(H2O2) NOT a radical because it has no unpaired electrons but can easily diffuse cells and cause damage. Generated through Superoxide Dismutase (SOD) which is responsible for removing superoxide radicals. Removed by Vitamin C, Glutathione Peroxidase, and Catalase.
Term
Hydroxyl Radical
Definition
(.OH) Oxygen centered radical. Produced when the body is exposed to gamma rays and electromagnetic radiation. or in Haber-Weiss reactions between hydrogen peroxide and superoxide radicals. Removed by Vitamin C, uric acid, glutathione and metallothionein.
Term
Peroxyls, Hydroperoxyl Radicals and Lipid Peroxides
Definition
Oxygen Centered, Formed when superoxide radicals react with additional electrons and hydrogen. Removed by Vitamin E, carotenoids, manganese, ubiquinol, vitamin C, and glutathione, along with selenium-dependent enzymes.
Term
Singlet Oxygens
Definition
(1O2) Higher energy and more reactive than ground-state oxygen, Generated through lipid peroxidation, enzymatic reactions or photochemical reactions. Removed by carotenoids, vitamin C, and lipoic acid.
Term
Vitamin E Regeneration
Definition
Needs ascorbate or glutathione or ubiquinol and happens on the cell surface.
Term
Ubiquinol Regeneration
Definition
DHLA is needed TRX with selenium depended FAD
Term
Glutathione Regeneration
Definition
Needs glutathione reductase and FAD. Also requires NADPH and niacin.
Term
Vitamin C Regeneration
Definition
Niacin, DHLA, glutathione, and thiordoxin are needed.
Term
Vitamin A Nomenclature
Definition
A group of compounds that possess the biological activity of all trans retinols. Provitamin A carotenoids are compounds that are precursors to vitamin A and there are over 600 of them, although only 10% have vitamin A activity.
Term
Vitamin A Sources
Definition
Mostly found in foods from animal origin such as liver and dairy products. Fish such as tuna and sardines. and fortified margarine. Fruits and vegetables can also be a good source for carotenoids such as beta carotene.
Term
Vitamin A Absorption/Digestion
Definition
Typically bound to other food components so it requires breakdown before absorption. Carried on micelles through the intestines and absorbed by the microvilli in the duodenum or jejunum. Pancreatic lipase and pancreatic cholesterol ester hydrolase facilitate digestions.
Term
Vitamin A Functions and Mechanisms of Action
Definition
Essential for vision, cellular differentiation, growth, reproduction, bone development, and immune system functions.
Term
Vitamin A Interactions with other nutrients
Definition
Interacts with vitamins E and K. Excessive vitamin A interferes with vitamin K absorption. High beta carotene mayy decrease plasma vitamin E concentrations. Protein and Zinc are related to vitamin A because of its role in protein binding. Lack of vitamin A has an impact on iron status because of its role in hematopoiesis.
Term
Vitamin A Metabolism and Excretion
Definition
Carotenoids and vitamin A reaching the liver typically undergo further metabolism via 3 routes: cleavage to form tetinol, incorporation into and release as part of a VLDL, or storage in the liver or adipose tissue. 60% of vitamin A that gets excreted is done so through the urinary system.
Term
Vitamin A Requirements
Definition
Expressed in retinol activity equivalents (RAE). 1 RAE = 1 microgram retinol or 12 micrograms of beta carotene. Men= 625 RAE or Women = 500 RAE
Term
Vitamin A Toxicity
Definition
Hypervitaminosis A causing vomiting, nausea, double vision, headache, dizziness acutely. Chronic toxicity may be dry itchy skin, alopecia, ataxia, bone and muscle pain, and ocular pain.
Term
Vitamin A Deficiency
Definition
xerophthalmia (dry eyes and night blindness), anorexia, retarded growth, increased susceptibility to infections, obstruction and enlargement of hair follicles, keratinization of epithelial cells,
Term
Vitamin A Transport and Storage
Definition
After absorption the micelle is incorporated into the chylomicrons to circulate through the lymphatic system and the blood. Requires two proteins, retinol binding protein (RBP) and transthyretin (TTR)
Term
Vitamin D Nomenclature
Definition
Derived from a steriod and is conidered a seco-steroid because one of its four rings is broken. The break is located between carbon 9 and 10 on B ring,
Term
Vitamin D Sources
Definition
Found primarily in foods of animal origin such as liver, beef, veal, eggs, milk, cheese, butter, herring, salmon, tuna and sardines. Some foods are fortified with this vitamin.
Term
Vitamin D Absorption
Definition
Absorbed from a micells and needs fat and bile salts to aid this process to be absorbed by passive diffusion in the intestinal cell. Absorbed most rapidly in duodenum but most of this vitamin is absorped in the distal intestine.
Term
Vitamin D Transport and Storage
Definition
First diffused from the skin and transported in the blood by DBP and is then carried to the liver. May also be picked up by muscle or adipose tissues. Can also be carried to the liver via chylomicron. Stored in blood and muscle in the form of 25-OH D3 and in the adipose tissue as cholecalciferol.
Term
Vitamin D Functions and Mechanisms of Action
Definition
Functions like a steroid hormone when in the form of calcitriol (1,25- (OH)2 D3) in the intestine, kidney, bone, cardiac, muscle, pancreatic beta cells, brain, skin, blood and immune system. Affects the ATP dependent calcium uptake in the SR in muscle and insulin secretion in beta cells. Functions through signal trasduction
Term
Vitamin D Interactions with other Nutrients
Definition
Interrelationship with calcium, phosphorus, and vitamin K. Also thought to see a decrease in this vitamin with iron deficiency.
Term
Vitamin D Metabolism and Excretion
Definition
Excreted primarily in the bile and then 70% of them are excreted through the feces.
Term
Vitamin D Requirements
Definition
requirement unknown but adequate intake has been set. 5 micrograms or 200 IU daily for infants-age 50. This amount is obtainable through sunlight exposure. For ages 51-70 AI is 10 micrograms or 400 IU daily. 71 and up need 15 micrograms or 600 IU daily.
Term
Vitamin D Deficiency
Definition
In infants and children rickets is the deficiency. In adults, it may be seen as osteomalacia.
Term
Vitamin D Toxicity
Definition
Overexposure to sun provides no risk of toxicity.Blood levels of 25-OH D3 greater that 160 ng/mL are normally associated with toxicity. Symptoms in infants intaking 2000-3000 IU daily were anorexia, nausea, vomiting, HTN, renal insufficiency, and failure to thrive. For adults dosages greater than 10,000 IU daily for several months aused hypercalcemia and calcification of soft tissues.
Term
Vitamin D Assessment of Nutriture
Definition
25-OH D3 most reliable of nutritional status.
Term
Vitamin A Assessment of Nutriture
Definition
Assessment of night blindness or dark adaptation threshold, Plasma retinol concentrations but only if the person does not have infection or inflammation. Stores in the liver can be tested by the relative dose response test.
Term
Vitamin E Nomenclature
Definition
Encompasses 8 different vitamers. Contains a phenolic functional group and a chromanol/chromane ring and then attached to a phyyl tail. Broken into two groups tocopherols and tocotrienols. Only alpha tocopherol is biologically active.
Term
Vitamin E sources
Definition
Found in both plant and animal sources. Richest source is from plan foods, especially oils from plants. Examples: canola, olive, sunflower, safflower, and cottonseed oils. May also be seen in mayo, margarine, anf peanut butter. Fatty tissues of meat have some but inferior to plant sources.
Term
Vitamin E Absorption
Definition
Tocotrienols must be hydrolyzed prior to absorption but tocopherols do not. Tocopherols still must be digested before absorption. Absorption happens mainly in the jejunum by nonsaturable, passive diffusion. Bile salts are required for micelle formation.
Term
Vitamin E Transport and Storage
Definition
Transported via chylmicorn to the lymph system and the blood. Also transported via HDL/ LDL and then they are delivered to the liver. No single storage organ for the vitamin and can be found in unesterified form in adipose tissue, liver, lung, heart, muscle, adrenal glands, spleen and brain.
Term
Vitamin E Functions and Mechanisms of Action
Definition
maintenance of membrane integrity. Protects membranes from destruction through its ability to prevent oxidation. Referred to as an antioxidant. Singlet Oxygen Destruction
Term
Vitamin E Interactions with other nutrients
Definition
closely tied to selenium-dependent glutathione peroxidase because of its antioxidant role. High intake can decrease beta carotene absorption and impair vitamin K absorption.
Term
Vitamin E Metabolism and Excretion
Definition
Through the bile excreted in the feces. Normally conjugated with glucuronic acid prior to excretion.
Term
Vitamin E Requirements
Definition
RDA 15 mg/day for adult men and women including during pregnancy. Lactation requires more and is 19 mg/day. Smaller children need between 6-7 mg/day. Based on intake of alpha-tocopherol.
Term
Vitamin E Deficiency
Definition
Deficiency is quite rare and mostly seen in malabsorptive disorders. Causes skeletal muscle pain and weakness, hemolytic anemia, cerebellar ataxia, loss of coordination.
Term
Vitamin E Toxicity
Definition
One of the least toxic of the vitamins. Tolerable upper limit set at 1,000 mg.day due to increased tendency for bleeding. Can also cause GI distress, nausea, diarrhea, gas, impaired blood coagulation and double vision.
Term
Vitamin E Assessment of Nutritiure
Definition
erythrocyte hemolysis, serum levels (not always the most accurate)
Term
Vitamin K nomenclature
Definition
Has 2-methyl 1,4-naphtoquinone ring. Naturally occuring as phylloquinone, and menaquinone (MK) MK mostly synthesized from bacteria. Menadione, a form of menaquinone, is found in vitamin supplements.
Term
Vitamin K sources
Definition
Provided mostly as phylloquinone in plant foods. Menaquinones found in animal products. Menaquinones are also synthesized by bacteria in the colon and provide some of the requirements of the body. Foods: olive oil, sunflower, safflower, walnut, and sesame oils.
Term
Vitamin K Absorption
Definition
Absorbed from micelles in the small intestine/jejunum and is enhanced by dietary fats, bile salts, and pancreatic juices. Absorbed by passive diffusion in the ileum and colon.
Term
Vitamin K transport and storage
Definition
Incorporated into a chylomicron and enters lymphatic and circulatory system where is it delivered to the liver. Incorporated into VLDL, HDL and LDL. Mostly in the liver but can also be found in the heart.
Term
Vitamin K functions an mechanisms of action
Definition
Needed for carboxylation of specific glutamic acid residues in proteins. This enables the protein to bind to calcium and interact with phospholipids. Essential for blood clotting/coagulation, and bone mineralization.
Term
Vitamin K interactions with other nutrients
Definition
Vitamin K can be antagonized by vitamin A and E. Vitamin D also can interfere because of both vitamins role in calcium metabolism
Term
Vitamin K metabolism and excretion
Definition
Conjugated with glucuronides for excretion in the feces via bile salts.
Term
Vitamin K requirements
Definition
Adequate Intake established but no RDA. adult men 120 micrograms and 90 micrograms for women, including pregnant and lactating women. 30-75 micrograms for children depending on the age.
Term
Vitamin K Deficiency
Definition
Deficiency unlikely in healthy adults. Seen in newborn infants and individuals with severe GI malabsorptive issues or people treated with chronic antibiotics. Supplementation required for all newborns.
Term
Vitamin K Toxicity
Definition
No known symptoms of toxicity and no tolerable upper limit has been set. Menadione can cause liver damage if ingested in large amounts. Not recommended to supplement infants with menadione but instead use phylloquinone.
Term
Vitamin K Assessment of Nutriture
Definition
Serum concentrations only reflect intake within the past 24 hrs, Measure of blood clotting times can assess nutritional status. Can use osteocalcin.
Term
Vitamin C nomenclature
Definition
Also called ascorbic acid or ascorbate, Humans are unable to synthesize like other mammals due to the lack of gulonolactone oxidase. A six carbon compound, L-isomer that is biologically active in humans.
Term
Vitamin C Sources
Definition
Asparagus, papaya, oranges, cantaloupe, cauliflower, broccoli, brussel sprouts, green pepper, grapefruit, kale, lemons, and strawberries.
Term
Vitamin C Absorption
Definition
Occurs in the brush border through the small intestine and ileum by sodium dependent active transport. Simple diffusion in the stomach and small intestine. Prior to absorption vitamin must be oxidized. Can also be absorbed by passive diffusion or via GLUT transporters.
Term
Vitamin C Transport and Storage
Definition
Transport across the basolateral membrane of the intestinal cell occurs by carrier-mediated transport systems,
Term
Vitamin C Function and Mechanism of Action
Definition
Collagen synthesis, carnitine synthesis, tyrosine synthesis and catabolism, and neurotransmitter synthesis. Maintains copper and iron atoms in their reduced states. Acts as an antioxidant to remove ROS but can also act as a pro-oxidant and damage cells through reducing metal ions that can cause cell damage. Can also play a role in colds, cancer, heart health and cataracts.
Term
Vitamin C Interactions with other Nutrients
Definition
Interacts with iron and copper.
Term
Vitamin C Metabolism and Excretion
Definition
May be excreted intact or may be oxidized to dehydroascorbate. Oxidation occurs primarily in the liver and to some extent the kidneys. Excreted in the urine.
Term
Vitamin C Requirements
Definition
RDA men:90mg women:75mg pregnancy:100mg lactation:120mg. Smokers needs increase by 35mg daily.
Term
Vitamin C Deficiency
Definition
Deficiency called scurvy. Causes bleeding gums, small skin discolorations/ petechiae, sublingual hemorrhages, easy bruising, impaired wound healing, and joint pain, along with decaying teeth and hyperkeratosis. Can lead to death if left untreated. Current mostly seen in people with poor diets, along with ETOH/Drug abuse
Term
Vitamin C Toxicity
Definition
Daily intake of up to 2g are routinely consumed without adverse side effects. GI problems, abdominal pain, diarrhea, kidney stones and iron toxicity. Toxicity rarely seen and TUL set at 2g/day
Term
Vitamin C Assessment of Nutriture
Definition
Plasma and serum concentrations respond to changes in dietary intake and are thus used to assess recent vitamin C intake, White blood cell content reflects body stores.
Term
Vitamin B1 Nomenclature
Definition
Also called Thiamin. Consists of a pyrimidine ring, thiazole moiety linked by a methylene bridge.
Term
Vitamin B1 Sources
Definition
In many foods including meat (especially pork), legumes, and whole/fortified grain products such as cereals and breads.
Term
Vitamin B1 Absorption
Definition
Free thiamin is absorbed into the intestinal cells and can happen through either active or passive diffusion based on the amount of the vitamin present in the intestines. When levels are low, absorption is active and sodium dependent. Mostly occurs in the jejunum but can also happen in the ileum and small amounts in the duodenum.
Term
Vitamin B1 Transport and Storage
Definition
Transported across the basolateral membrane by active transport and is sodium and energy dependent. Thiamin in blood is in its free form and bound to albumin. Can be stored in the liver, muscles, heart, kidney, and brain.
Term
Vitamin B1 Functions and Mechanism of Action
Definition
A coenzyme for energy transformation, synthesis of pentoses and NADPH and membrane and nerve conduction. TDP is main coenzyme
Term
Vitamin B1 Metabolism and Excretion
Definition
Excreted intact or metabolized in the urine. Can be excreted in pyrimidine, thiazole, TDP and TMP metabolites.
Term
Vitamin B1 Requirements
Definition
RDA men: 1.2 mg/day women: 1.1 mg/day Pregnancy: 1.4mg/day and Lactation: 1.5mg/day
Term
Vitamin B1 Deficiency
Definition
Deficiency is called beriberi. Symptoms of loss of appetite and weight loss. As deficiency progresses cardiovascular effects such as hypertrophy and altered heart rate, apathy, confusion, decreased short term memory and irritability
Term
Vitamin B1 Toxicity
Definition
Little danger of toxicity associated with oral intake. Parenterally administered thiamin that is 100x the recommendations can causes headache, convulsions, arrhythmia's, and anaphylactic shock. No TUL has been established. ,
Term
Vitamin B1 Assessment of Nutriture
Definition
Measured by erythrocyte transketolase activity in hemolyzed whole blood. If the transketolase is increased then it is indicative of deficiency. Can also be measured by thiamin in blood or urine.
Term
Vitamin B2 Nomenclature
Definition
Also known as riboflavin. Has a flavin (isoalloxazine) ring attached to a ribitol (sugar alcohol). Has 2 coenzymes called FMN and FAD
Term
Vitamin B2 Sources
Definition
Mostly in products of animal origin. Milk, cheese, eggs, meta, and legumes. Moderate amounts in vegetables but low amounts in fruit and cereal.
Term
Vitamin B2 Absorption
Definition
Freed from proteins in the stomach by HCL and gastric and intestinal enzymatic hydrolysis. Generally believed that animal origin sources are absorbed better than plant sources. Copper, zinc, iron, and manganese can chelate riboflavin and decrease absorption. Mostly absorbed in the proximal small intestine via saturable, energy dependent carrier.
Term
Vitamin B2 Transport and Storage
Definition
Transported in the plasma by a variety of proteins including albumin, fibrinogen, and globulins with albumin being the primary transporter. Greatest concentrations of riboflavin are found stored in the liver, kidney and heart.
Term
Vitamin B2 Functions and Mechanisms of Action
Definition
Flavoproteins involved in electron transport chain, pyruvate oxidation, fatty acid oxidation, formation of hydrogen peroxide, vitamin B6 metabolism, synthesis of folate, choline metabolism, neurotransmitter functions, reduction of glutathione. function as coenzymes FMN and FAD
Term
Vitamin B2 Metabolism and Excretion
Definition
Excreted primarily in the urine and only small amounts in the feces. Most found in the feces may be from metabolites arising from intestinal flora.
Term
Vitamin B2 Requirements
Definition
RDA men: 1.3 mg/day women: 1.1 mg/day Pregnancy: 1.4mg/day and lactation:1.6 mg/day.
Term
Vitamin B2 Deficiency
Definition
Also called ariboflavinosis. Rarely occurs in isolation and most often seen with other nutrient deficiencies. Lesions on the outsides of the lips, inflammation of the tongue, redness or bloody and swollen oral cavity, skin conditions, anemia, and neuropathy. Severe deficiency may also affect vitamin B6 and NAD synthesis.
Term
Vitamin B2 Toxicity
Definition
No TUL and no reported toxicity.
Term
Vitamin B2 Assessment of Nutriture
Definition
Activity of erythrocyte glutathione reductase because it requires FAD as a cozenzyme. Cellular riboflavin and urinary riboflavin can also be used to assess status.
Term
Vitamin B3 Nomenclature
Definition
Also called niacin which is a generic term for nicotinic acid and nicotinamide. Use to be known as anti-black tongue factor in dogs. A pyridine 3-carboxylic acid.
Term
Vitamin B3 Sources
Definition
Fish such as tuna and halibut. Meats such as beef, chicken, turkey, and pork. Grains such as cereals, breads, whole grains are fortified with the vitamin. Legumes can also be a good source.
Term
Vitamin B3 Absorption
Definition
Hydrolyzed within the intestinal tract to release nicotinamide. Nicotinamide and nicotinic acid can be absorbed in the stomach, but more readily absorbed in the small intestine. Occurs via sodium dependent system. High amounts of nicotinamide in the system can be absorbed via passive diffusion.
Term
Vitamin B3 Transport and Storage
Definition
1/3 of nicotinamide in the plasma is bound to plasma proteins and can move across cell membranes via simple diffusion. In the kidneys and red blood cells, a carrier is required. Mainly stored in the liver as NAD or NADP.
Term
Vitamin B3 Functions and Mechanisms
Definition
Around 200 enzymes require NAD and NADP as a coenzyme to act as a hydrogen donor or electron acceptor. In nonredox roles, it functions as a donor of ADP-ribose.
Term
Vitamin B3 Metabolism and Excretion
Definition
Can be produced in the liver from tryptophan. It is excreted in the urine but most of it is reabsorbed in the glomerular filtrate actively.
Term
Vitamin B3 Requirements
Definition
RDA takes into account what can be produced from tryptophan, estimating that 60 mg of tryptophan generates 1 mg of B3. RDA Men: 16 mg/day and Women: 14 mg/day. Pregnancy: 18 mg/day Lactation: 17 mg/day.
Term
Vitamin B3 Deficiency
Definition
Deficiency is called pellagra. Symptoms are labeled "the four D's": dermatitis, dementia, diarrhea, and death.
Term
Vitamin B3 Toxicity
Definition
High dosages of this medication, up to 4g/day, can be used to treat hypercholesterolemia but many undesirable side effects exist. Including: flushing and redness, GI irritation, liver injury, hyperuricemia/gout, increased glucose levels
Term
Vitamin B3 Assessment of Nutriture
Definition
Most frequently measures assessment is urinary metabolites of the vitamin. N' methyl nicotinamide .
Term
Pantothenic Acid Nomenclature
Definition
Consists of beta-alanine and pantoic acid joined by a peptide bond/amide linkage
Term
Pantothenic Acid Sources
Definition
Found widely distributed in nature and is present in virtually all plant and animal foods. Meat, especially liver, egg yolk, legumes, whole grain cereals, potatoes, mushrooms, broccoli, and avocados.
Term
Pantothenic Acid Absorption
Definition
Normally bound to coenzyme A and is mostly absorbed in the jejunum by passive diffusion. Can be absorbed via sodium dependent active carrier when present in low concentrations.
Term
Pantothenic Acid Transport and Storage
Definition
After entering intestinal cells, it enters portal blood for transport to body cells. Can be found in free in blood plasma/serum but is in greater concentrations intracellularly.
Term
Pantothenic Acid Functions and Mechanisms of Action
Definition
Component of coenzyme A and 4'- phosphopanteteine. These two functional pieces participate in nutrient metabolism including degradations reactions resulting in energy production and synthetic reactions for production of many vital compounds.
Term
Pantothenic Acid Excretion
Definition
Excreted primarily in the urine intact and only small amounts through the feces and no metabolites have been identified for this vitamin
Term
Pantothenic Acid Requirements
Definition
Adequate intake for adults 19+ 5 mg/day. Pregnancy: 6 mg/day Lactation:7 mg/day
Term
Pantothenic Acid Deficiency
Definition
Called burning feet syndrome. Abnormal skin sensations of the feet and lower legs. Also could include vomiting, fatigue, and weakness. Normally occurs in conjunction with multiple nutrient deficiencies.
Term
Pantothenic Acid Toxicity
Definition
Not been reported to date in humans. Intake of up to 20g/day have caused GI distress and diarrhea. Intake of 100g/day have caused niacin excretion.
Term
Pantothenic Acid Assessment of Nutriture
Definition
Plasma pantothenic acid concentrations do not correlate well with changes in dietary intake and status so urinary pantothenate excretion is considered a better indicator
Term
Biotin Nomenclature
Definition
Consists of 2 rings, a uredio ring joined to a thiophene ring, with an additional valeric acid side chain. Use to be called vitamin H or vitamin B7
Term
Biotin Sources
Definition
Can be from food sources or made by intestinal bacteria located in the large intestine. Liver, soybeans, egg yolk, cereals, legumes, and nuts.
Term
Biotin Absorption
Definition
Avidin, a substance in some foods, can bind biotin and prevent its absorption. Avidin is found in raw egg whites. Absorbed after digestion in the small intestine. Mostly taken up in the jejunum and ileum. Synthesized by colonic bacteria but this source cannot completely meet needs. Uptake into tissues is via active, sodium-dependent carriers.
Term
Biotin Transport and Storage
Definition
Mostly found free but can bind to proteins such as albumin and alpha/beta globulins. Stored in small quantities in the muscle, liver and brain.
Term
Biotin Function and Mechanisms of Action
Definition
Functions within cells covalently bonded to enzymes and referred to as a coenzyme. Also thought to function in gene expression and cell cycle. As a coenzyme functions with carboxylases.
Term
Biotin Metabolism and Excretion
Definition
Excreted intact in the urine. Can be reused or degraded. Metabolites from the valeric acid side chain are also seen in the urine. Biotin synthesized in the intestines and unabsorbed is excreted in the feces.
Term
Biotin Requirements
Definition
Adequate Intake. Age 19+ 30 micrograms/day Pregnancy: 30 micrograms/day and lactation: 35 micrograms/day
Term
Biotin Deficiency
Definition
Lethargy, depression, hallucinations, muscle pain, anorexia, nausea, alopecia, dermatitis. Fairly rare but does occur in various populations such as those ingesting raw eggs.
Term
Biotin Toxicity
Definition
No toxicity reported and no TUL has been set.
Term
Biotin Assessment of Nutriture
Definition
Plasma and urine concentrations can both be used, but plasma concentrations have been found to be less accurate.
Term
Folic Acid Nomenclature
Definition
Also called folacin. Made up of 3 distinct parts all of which must be present for vitamin activity.
Term
Folic Acid Sources
Definition
Although mammals can synthesize all three parts of the vitamins, they do not have the enzyme necessary for the coupling of the parts. Mushrooms, green vegetables, peanuts, legumes, citrus fruits, and liver. Raw foods are typically higher source than cooked foods. Grains and cereals may be fortified.
Term
Folic Acid Absorption
Definition
Hydrolyzed in the jejunum. Zinc dependent conjugases for folate. Carrier system to move folate across the intestinal cell membrane is saturable, pH, energy and sodium dependent.
Term
Folic Acid Transport and Storage
Definition
Uptake into the liver is carrier mediated by folate receptors. 2/3 of folate in blood is bound to proteins such as albumin. Folate is not taken up by mature red blood cells. The liver stores up to half of the body's folate.
Term
Folic Acid Functions and Mechanisms of Action
Definition
Coenzyme in mitochondria and cytosol for amino acid metabolism, such as purine and pyrimidine synthesis. Amino Acid Metabolism of: histidine, serine, glycine, methionine, purine, pyrimidine, nucleotides. Related to heart health because of role with homocysteine.
Term
Folic Acid Metabolism and Excretion
Definition
Excreted through both the urine and the feces. In urine, can be excreted both intact or metabolized in the liver prior to excretion,. ,Folate metabolites are found in urine. folate can be secreted by liver into bile and then through feces.
Term
Folic Acid Requirements
Definition
RDA 320 micrograms for men and 400 micrograms for women. Pregnancy: 500 micrograms/day Lactation: 600 micrograms/day
Term
Folic Acid Deficiency
Definition
Megaloblastic, macrocytic anemia. MCV increased, fatigue, weakness, headaches, irritability, difficulty concentrating, shortness of breath, and palpitations.
Term
Folic Acid Toxicity
Definition
Toxicity is virtually non-existant. Intake of 15 mg/day may cause insomnia, malaise, irritability, and GI distress. Folate supplementation may mask vitamin B12 deficiency.
Term
Folic Acid Assessment of Nutriture
Definition
Plasma, serum, or red blood cells. Serum and plasma indicate recent intake. Red blood cell status is more reflective of folate tissue status. FIGLU excretion may also be measured in urine.
Term
Folic Acid Interactions with other Nutrients
Definition
Methyl-Folate trap causes inverse relationship between folate and vitamin B12
Term
Vitamin B12 Nomenclature
Definition
Also called cobalamin, a generic term for a group of compounds called coorinoids.
Term
Vitamin B12 Sources
Definition
The only dietary source is via animal products. Meat, meat products, poultry, fish, shellfish, and eggs. Milk/dairy have the vitamin but in smaller quantities.
Term
Vitamin B12 Absorption
Definition
Released from polypeptides linked in food in the stomach. R protein and intrinsic factor in the GI tract are required for absorption. Absorption mainly occurs in the distal ileum. Mostly taken up via receptor mediated process, can happen through passive diffusion.
Term
Vitamin B12 Transport and Storage
Definition
Bound in blood to transcobalamines. Stored mainly in the liver but also in muscle, bone, kidney, heart, brain, and spleen. Able to be stored unlike other water soluble vitamins. Receptor dependent uptake into cells.
Term
Vitamin B12 Functions and Mechanisms of Action
Definition
Conversion of homocysteine to methionine. Second reaction is needed for methylmalonyl CoA.
Term
Vitamin B12 Metabolism and Excretion
Definition
Not hardly degraded prior to excretion. Most bound to R protein and excreted through the bile so little is excreted through the urine.
Term
Vitamin B12 Requirements
Definition
RDA 2.4 micrograms /day with increases of 0.2 and 0.4 micrograms/day during pregnancy and lactation, respectively. Ages 51+ may need supplementation due to limited ability to absorb B12 because of decreased intrinsic factor.
Term
Vitamin B12 Deficiency
Definition
Megaloblastic, Macrocytic Anemia. skin pallor, fatigue, SOB, palpitations. insomnia, tingling and numbness, abnormal gait, loss of concentration, memory loss, disorientation, swelling of myelinated fibers and possibly dementia.
Term
Vitamin B12 Toxicity
Definition
No tolerable upper limit set, but no known benefit of excessive intake is known so it should not be recommended.
Term
Vitamin B12 Assessment of Nutriture
Definition
Serum B12 concentrations reflect both intake and status. Can have normal serum levels and low tissue levels so additional measurement is required such as MMA and homocysteine.
Term
Vitamin B6 Nomenclature
Definition
Exists in several vitamers: Pyridoxine, pyridoxal aldehyde and pyridoxamine.
Term
Vitamin B6 Sources
Definition
Pyridoxine is the most stable of the sources and found exclusively in plant foods. Other sources found mostly in animal products.
Term
Vitamin B6 Absorption
Definition
Must be dephosphorylated and this process is zinc dependent. Occurs in the jejunum by passive diffusion.
Term
Vitamin B6 Transport and Storage
Definition
Released into portal blood and taken up into liver. Most often bound to albumin.
Term
Vitamin B6 Functions and Mechanisms of Action
Definition
Acts as coenzyme important in amino acid metabolism. Also important in action on steroid hormones and gene expression. Transamination, decarboxylation, glycogen degradation.
Term
Vitamin B6 Metabolism and Excretion
Definition
Vitamin B6 metabolism is dependent on normal riboflavin (B2) status. Found mainly in the liver and intestines but in smaller amounts in the muscle, kidney, brain and red blood cells. Excreted in the urine.
Term
Vitamin B6 Requirements
Definition
RDA men: 1.3 mg/day Women: 1.3 mg/day Older adults: 1.5-1.7 mg/day .Pregnangy: 1.9 mg/day and Lactation 2 mg/day
Term
Vitamin B6 Deficiency
Definition
Deficiency is relatively rare. Sleepiness, fatigue, cheilosis, glossitis, stomatitis, Hypochromic, microcytic anemia. Deficiency can also affect calcium, magnesium, niacin, and homocysteine metabolism
Term
Vitamin B6 Toxicity
Definition
Neuropathy, unsteady gait, impaired tendon reflexes.
Term
Vitamin B6 Assessment of Nutriture
Definition
Plasma PLP indicative of tissue stores. xanthurenic acid excretion following tryptophan loading can also be used. Urinary losses can also be measured.
Term
Calcium Nomenclature
Definition
Most abundant divalent cation. Bones and teeth contain 99% of body's sources and 1% is distributed between intra and extracellular fluids.
Term
Calcium Sources
Definition
Milk, dairy, cheese and yogurt, salmon and sardines w/ bones, clams, oysters, turnip and mustard greens, broccoli, cauliflower, and kale, legumes and dried fruit.
Term
Calcium Absorption
Definition
Occurs along the length of the small intestine. Completed by 2 processes 1) duodenum and proximal jejunum requires energy and is regulated by calcitrol. 2) jejunum and ileum and is passive paracellular absorption and is though to occur when calcium concentrations are high.
Term
Calcium Transport and Storage
Definition
Bound to albumin and preablbumin, complexed with sulfate, phosphate, or citrate and 50% of calcium is ionized in the blood.
Term
Calcium Functions and Mechanisms of Action
Definition
Bone mineralization: cortical and trabecular bone. Nonosseous calcium outside the bones is responsible for playing part in blood clotting, nerve conduction, muscle contraction, enzyme regulation, and membrane permeability.
Term
Calcium Interactions with other Nutrients
Definition
Interacts with phosphorus in an opposing manner. Protein, sodium, caffeine, alcohol and boron promote calcium losses in the body from the kidneys.
Term
Calcium Excretion
Definition
Lost mostly in the urine and feces but can be excreted through the skin, such as during extreme sweating. Calcium in the kidneys can be reabsorbed which stops some of it from being excreted in the urine.
Term
Calcium Requirements
Definition
Adequate Intake: Men and Women 19-50 years old 1,000 mg/day and men and women 51+ years old: 1,200 mg/day. d
Term
Calcium Deficiency
Definition
In children can lead to ricketts. Low levels of ionized calcium in the blood can lead to tetany which causes intermittent muscle contractions Bone loss causing osteoporosis (2 types: type I in post menopausal women and type II in men and women over the age of 70)
Term
Calcium Toxicity
Definition
Tolerable upper limit of 2,500 mg/day. Too much may cause milk alkali syndrome which causes systemic alkalosis and calcification of soft tissues.
Term
Calcium Assessment of Nutriture
Definition
No test accurately measures status. Serum ionized calcium can reflect alterations in calcium metabolism. Bone desitometry can be assessed through CT scan.
Term
Calcium Concentration Regulation
Definition
Three main hormones are involved in homeostasis of calcium in the blood: PTH, calcitriol, and calcitonin. PTH from the parathyroid gland and calcitonin from the thyroid glad and they work in opposing roles. Calcitriol works in the kidneys to increase reabsorption.
Term
Phosphorus Nomenclature
Definition
Second only to calcium in abundance in the body. 85% contained in the skeleton and 1% in blood and body fluids and the remaing 14% in the soft tissues as muscle. Normally in combination with other inorganic or organic elements.
Term
Phosphorus Sources
Definition
Meal, poultry, fish, eggs. milk and milk products. Legumes, cereals and grains are also sources but animal products are superior. Sodas contain phosphoric acid and can contribute heavily to intake for some.
Term
Phosphorus Absorption
Definition
Happens primarily in the duodenum and jejunum in the inorganic form. Occurs by two different processes: a saturable carrier mediated active transport system that is dependent on sodium and enhanced by calciitriol or a concentration dependent diffusion process. Minerals such as magnesium, aluminum, and calcium inhibit absorption.
Term
Phosphorus Transport and Storage
Definition
Phosphorus is found in all cells of the body with bone and muscle containing the majority.
Term
Phosphorus Functions and Mechanisms
Definition
Bone mineralization, energy transfer and storage, nucleic acid formation, cell membrane structure, oxygen availability and acid-base balance.
Term
Phosphorus Excretion
Definition
Majority is excreted in inorganic form in the urine, with the remainder found excreted in the feces. Maintenance of phosphate balance is achieved largely through renal excretion.
Term
Phosphorus Requirements
Definition
RDA is 700 mg/dL
Term
Phosphorus Deficiency
Definition
Deficiency is rare and normally only occurs in people with renal disease and are receiving large amounts of antacids. Also can occur in malnourished individuals receiving nutrition support can exhibit "refeeding syndrome". Symptoms are anorexia, hypophosphatemic rickets, skeletal muscle and cardiac myopathy, weakness, neurological problems and disturbances in oxygen delivery.
Term
Phosphorus Toxicity
Definition
Toxicity is rare, Usually only in infants when calcium:phosphorus rations are altered significantly in favor of phosphorus. A TUL of 4g/day has been set for adults.
Term
Phosphorus Assessment of Nutriture
Definition
Not a major consideration because deficiency is so rare. Phosphorus serum concentrations or urinary excretion is most often assessed but their specificity and sensitivity are low.
Term
Magnesium Nomenclature
Definition
A cation that ranks 4th in overall abundance, but intracellularly is 2nd only to potassium. 55% in the bone, 25% in the soft tissue, and 1% in extracellular fluid.
Term
Magnesium Sources
Definition
nuts, legumes, while grain cereals such as oats and barley, spices, seafoods and green leafy vegetables, chocolate, blackstrap molasses, corn, peas, carrots, brown rice and parsley. Supplements may be needed for people with diseases causing fat malabsorption. Should not be taken with iron supplement.
Term
Magnesium Absorption
Definition
Distal jejunum and ileum by either a saturable carrier mediated active transporter or by simple diffusion with higher intakes. The colon may also absorb some of the mineral.
Term
Magnesium Transport and Storage
Definition
Found mostly free in the plasma, but some bound to protein. Maintenance of levels depend on GI absorption, renal excretion, and cation flux rather than hormonal regulation.
Term
Magnesium Functions and Mechanisms of Action
Definition
55-60% of this mineral in the body is associated with bone. Associated with phosphorus and calcium to form a crystal lattice. Bound to phospholipids to help maintain cell membrane stabilization. Intracellular magnesium is associated with ATP and ADP.
Term
Magnesium Excretion
Definition
Mostly excreted through the kidneys. 65% is reabsorbed in the loop of Henle an 30% in the proximal tubules, so only a small amount is actually excreted in the urine.
Term
Magnesium Requirements
Definition
RDA Men: 400 mg/day Women: 310 mg/day. Increases slightly when over the age of 31.
Term
Magnesium Deficiency
Definition
Deficiency is usually associated with the presence of other diseases such as renal disease, CAD, DM, HTN or post surgical complications. Nausea, vomiting, anorexia, muscle weakness, spasms, and tremors, personality changes, and hallucinations.
Term
Magnesium Toxicity
Definition
Not likely to be caused by excessive intake but can happen with people with impaired renal function. Nausea, flushing, double vision, slurred speech, and weakness. TUL set at 350 mg/day when coming from non-food sources.
Term
Magnesium Assessment of Nutriture
Definition
Difficult because only a small amount is found extracellularly to be assessed. Serum magnesium levels, Erythrocyte magnesium for long term status or renal magnesium excretion.
Term
Magnesium Interactions with other nutrients
Definition
Needed for regulation of PTH which is needed in calcium regulation. Also needed for hydroxylation of vitamin D in the liver.
Term
Sodium Nomenclature
Definition
A third of the body's sodium is located on the surface of bone crystals. Remainder is located in extracellular fluid, primarily the plasma, and in nerve and muscle tissue. Most abundant cation.
Term
Sodium Sources
Definition
Mostly found in dietary sources added in the form of sodium chloride. Processed foods account for 75% total sodium consumed. Natural occurring items are milk, meat, eggs, and most vegetables but these items only contribute 10% of consumed sodium.
Term
Sodium Absorption
Definition
95-100% of sodium is absorbed with the remainder excreted in the feces. Can cross the intestinal mucosa in three different ways.
Term
Sodium Transport
Definition
Through the small intestine through the Na+/glucose cotransport system. The small intestine and proximal portion of the color can also use the electroneutral Na+/Cl- contransport system. The last system operates principally in the colon and is called the electrogenic sodium absorption mechanism. After absorption, it is transported freely in the blood. Regulated by ADH and vasopressin, aldosterone, atrial natriuretic hormone, renin, and angiotensin II
Term
Sodium Function
Definition
Maintenance of fluid balance, nerve transmission, impulse conduction, and muscle contraction.
Term
Sodium Interactions with other Nutrients
Definition
Affects urinary calcium excretion and may be associated with osteoporosis.
Term
Sodium Excretion
Definition
The kidneys are responsible for excreting sodium that is absorbed and not needed by the body. Small amounts of sodium are also lost via the skin when sweating.
Term
Sodium Deficiency
Definition
Not common because of the abundance of the mineral across a broad spectrum of foods. However, with excessive sweating resulting in a loss of more than 3% of total body weight, symptoms may occur, including muscle cramps, nausea, vomiting, dizziness, shock, and coma.
Term
Sodium Requirements
Definition
500 mg/day, although it is thought that only 115 mg/day is necessary.
Term
Sodium Assessment of Nutriture
Definition
Measured to determine electrolyte balance. Can be measured through the technique of ion-selective electrode potentiometry.
Term
Potassium Nomenclature
Definition
Major intracellular cation and 95-98% is found within the cells of the body.
Term
Potassium Sources
Definition
Mostly in unprocessed foods such as fruit, vegetables, and fresh meats. Also in potatoes, whole grains, legumes, and milk. Salt substitutes can also use potassium to replace sodium.
Term
Potassium Absorption
Definition
90% of potassium ingested is absorbed. Not clear about exactly where it is absorbed, it is thought to be in the small intestine and colon. Possibly across the brush border and colonic mucosal cell.
Term
Potassium Transport
Definition
Transported in the blood after it is accumulated in the cell and diffuses across the basolateral membrane.
Term
Potassium Function
Definition
Influences the contractility of smooth, skeletal, and cardiac muscle and profoundly affects the excitability of nerve tissue.
Term
Potassium Interactions with other Nutrients
Definition
Has an effect on urinary excretion of calcium but has the opposite effect of sodium in that it decreases excretion.
Term
Potassium Excretion
Definition
Excreted via the kidneys and only small amounts excreted in the feces. Regulated primarily through aldosterone, which accelerates the excretion of potassium.
Term
Potassium Deficiency
Definition
Hypokalemia does not occur by dietary deficiency because of the abundance of potassium in common foods. Causes muscular weakness, nervous irritability, and mental disorientation. Can result due to profound fluid loss such as with vomiting, diarrhea or diuretic medication use.
Term
Potassium Toxicity
Definition
Hyperkalemia results in severe cardiac arrhythmias and cardiac arrest. Nearly impossible to produce by dietary means in an individual with normal circulation and renal function because of the delicate control within a narrow concentration range.
Term
Potassium Requirements
Definition
RI is 2,000 mg/day but 3,500 mg/day may be more desirable for preventing and controlling hypertension.
Term
Potassium Assessment of Nutriture
Definition
Serum levels are determined primarily through ion-selective electrode potentiometry.
Term
Chloride Nomenclature
Definition
Most abundant anion in the extracellular fluid. 88% extracellularly and 23% intracellularly. Negative charge neutralizes positive charge of the sodium ion.
Term
Chloride Sources
Definition
Nearly all is consumed through the ingestion of sodium chloride. Found mostly in snack items and processed food items. Also found in eggs, fresh meats, and seafood.
Term
Chloride Absorption
Definition
Almost all absorbed in the small intestine. Follows passively behind the sodium through a tight junction pathway. The sodium creates an electrical gradient for chloride to be absorbed.
Term
Chloride Transport
Definition
Term
Chloride Secretion
Definition
Secreted in the stomach and the rest of the GI tract. Also secreted by the epithelium.
Term
Chloride Functions
Definition
Formation of gastric hydrochloric acid, released by white blood cells during phagocytosis, exchange ion for HCO3- in red blood cells, called the chloride shift, for which the purpose is to allow transport of tissue derived CO2 back to the lungs in the form of HCO3-.
Term
Chloride Excretion
Definition
Through 3 different routes: the GI tract the skin and the kidneys. Major route is through the kidneys and the other 2 routes are minimal.
Term
Chloride Deficiency
Definition
Deficiency does not occur under normal conditions. Deficiency arises chiefly through alimentary disturbances such as diarrhea and vomiting. Convulsions typically occur with deficiency.
Term
Chloride Requirements
Definition
RI of 750 mg/day but no RDA has been established.
Term
Chloride Assessment of Nutriture
Definition
Serum concentration is normally used to establish the chloride status of the body but depends on the body water status. It is possible for total body store can be diminished and fluid concentrations appear normal. Ion-selective electrode potentiometry and coulometric titration with silver ions.
Term
Iron Nomenclature
Definition
Over 65% of the micromineral is found in hemoglobin and up to 10% in the myoglobin. Also small amounts are found in enzymes, blood or in storage. Exists in several oxidative states in the body but only 2 stable forms in the body are ferric (3+) and ferrous (Fe2+).
Term
Iron Sources
Definition
Found in 2 forms, nonheme and heme iron. Heme iron is derived mainly from hemoglobin and myoglobin and found in animal products. Nonheme iron is primarily in plants and dairy products. Some grain products are fortified with iron.
Term
Iron Absorption
Definition
Hydrolized from the globin portion of hemoglobin or myoglobin before absorption. Done by proteases in the stomach and small intestines. Once heme iron is released it is absorbed intact in the small intestine. Most efficient absorption in the proximal portion of the small intestine such as the duodenum. Nonheme iron is also mostly absorbed in the small intestines but once freed from food components, it is found mostly in the ferrous state, which is not as readily absorbable as the ferric state of the heme iron.Chelators and ligands can also influence absorption.
Term
Iron Transport, Storage, and Uptake
Definition
Attached to transferrin, but must first be oxidized. Requires copper to be oxidized. C- terminal and N-terminal both have affinity for ferric iron. The N-terminal also has affinity for other minerals. Stored in the liver, bone marrow, and spleen. Uptake depends on the transferrin saturation level.
Term
Iron Functions and Mechanisms of Action
Definition
Functions as part of several proteins, enzymes, such as hemoglobin, myoglobin, cytochromes, and oxygenases. Also involved via the enzymes in the electron transport. Can act as a pro-oxidant producing free radicals
Term
Iron Interactions with Other Nutrients
Definition
Ascorbic acid enhances absorption. Copper is needed for oxidation. Can interact with zinc in that they compete for absorption. Vitamin A status alters iron distribution among tissues. Lead interferes with heme synthesis.
Term
Iron Turnover
Definition
The conservation and constant recycling of iron ensures its adequacy in the body,
Term
Iron Excretion
Definition
Lost through the GI tract, skin and kidneys. Losses for premenopausal women are greater due to menses.
Term
Iron Requirements
Definition
RDA for men: 6-8 mg/day. Postmenopausal women: 5-8 mg/day and premenopausal women: 18 mg/day. Pregnancy is 27 mg/day. and 9mg/day during lactation.
Term
Iron Deficiency
Definition
Normally affects infants, adolescents, females during childbearing years, and pregnant women. Also seen in hemorrhage and renal disease patients. Hypochromic and microcytic.
Term
Iron Toxicity
Definition
Hemochromatosis seen often in Caucasian men and in children who overdose on supplements. May require phlebotomy
Term
Iron Assessment of Nutriture
Definition
Hemoglobin, hematocrit, plasma ferritin, total iron binding capacity, transferrin saturation. During iron deficiency MCV, MCH, MCHC can also be used
Term
Zinc Nomenclature
Definition
Found in all organs and tissues mostly intracellularly and in body fluids. Can exist in several different valence states but almost always found in the divalent ion (Zn2+)
Term
Zinc Sources
Definition
Typically associated with protein fraction and/or the nucleic acid fraction of foods, meaning it is complexed with amino acids that are part of peptides and proteins with nucleic acids. Red meats, seafood, poultry, pork and dairy products Whole grains and vegetables are also good plant sources but fruit and refined grains are poor sources.
Term
Zinc Absorption
Definition
Main site of absorption is the proximal small intestine, the jejunum. Absorbed into the enterocyte by a carrier mediated process with a higher absorption rate when there is lower zinc intake. Absorption is enhanced by citric acid and picolinic acid, as well as prostaglandins. Histidine, cysteine and other amino acids might also aid absorption. Inhibitors of zinc metabolism are phytate, oxalate, polyphenols, fibers and other nutrients and divalent cations.
Term
Zinc Transport, Uptake and Storage
Definition
Transported loosely bound to albumin to be taken to the liver. Other proteins such as transferrin and immunoglobulins can bind zinc and transport it to the liver. Histidine and cysteine also can bind and transport zinc. The zinc bound to albumin seems to be the most readily take up by tissues. Mostly stored in the liver, kidney, muscle, skin and bones.
Term
Zinc Functions and Mechanisms of Action
Definition
Zinc can be used within the enterocyte upon absorption . Zinc dependent enzymes, growth, cell replication, bone formation, skin integrity, cell-mediated immunity and generalized host defense.
Term
Zinc Interactions with other Nutrients
Definition
Zinc and vitamin A: retinol is required as a substrate for a zinc dependent enzyme, alcohol dehydrogenase, which coverts retinol to retinal. Also needed for hepatic synthesis of retinol-binding protein which transports vitamin A in the blood. Excessive intake of zinc decreases cooper absorption. Can inhibit calcium absorption if calcium intake is low. Cadmium can disrupt normal zinc function.
Term
Zinc Excretion
Definition
Majority of zinc is lost through the GI tract in the feces but can also be lost through the kidneys in the urine and through the skin via sweating.
Term
Zinc Requirements
Definition
Men: 11mg/day and Women: 8 g/day Pregnancy: 11 mg/day Lactation: 12 mg/day
Term
Zinc Deficiency
Definition
Mostly effects elderly and vegetarians. Also in ETOH abuse, chronic illness, stress, trauma, surgery and malabsorption. Growth retardation, skeletal abnormalities, defective collagen synthesis, poor wound healing, dermatitis. delayed sexual maturation in children, hypogeusia, night blindness, alopecia, impaired immune function, impaired protein synthesis. Supplements Zinc acetate is one of the best tolerated and should be consumed on empty stomach without other supplements.
Term
Zinc Toxicity
Definition
Acute intake of 1-2g zinc sulfate can cause metallic taste, nausea, vomiting, epigastric pain, abdominal cramps, and blood diarrhea. Chronic intake of 40mg can result in copper deficiency. TUL has been set at 40 mg/day.
Term
Zinc Assessment of Nutriture
Definition
Zinc in red blood cells, leukocytes, neutrophils, and plasma or serum. Low plasma zinc would indicate that little zinc is present in the exchangeable zinc pool and relets a loss of zinc from bone and liver. Metallothionein , urinary and hair zinc have also been used but they are not as effective indicators.
Term
Copper Nomenclature
Definition
Found in the body in two valence states, cuprous state (Cu1+) or cupric state (Cu2+)
Term
Copper Sources
Definition
content in foods can be influenced by preparation, handling, and production. Richest sources are organ meats and shellfish. Nuts, seed, legumes, and dried fruits are high plant sources. Can be made endogenously in the GI tract.
Term
Copper Absorption
Definition
Duodenum and stomach is where most absorption occurs, although it can be absorbed throughout the small intestine. The acidic environment of the stomach facilitates transport across the gastric mucosa. Luminal copper may be bound to ligands to help it be accepted by brush border receptors. Absorption is enhanced by amino acids such as histidine, organic acids, and citrate. Absorption may be inhibited by phytates, zinc, iron, molybdenum, calcium and phosphorus.
Term
Copper Transport, Uptake and Storage
Definition
Transported to the liver loosely bound to albumin at the N-terminus. Also can be bound to transcuprein (TC), histidine, and cysteine. Ceruloplasmin delivers copper to tissues. Little copper is found stored in the body, Liver and kidney, brain, heart, bone, muscle ,skin, intestine, spleen, hair and nails all can store small amounts.
Term
Copper Functions and Mechanisms of Action
Definition
Enzyme cofactor and allosteric component of enzymes. Ceruloplasmin, Superoxide Dismutase, Cytochorme c Oxidase, Amine OxidaseTyrosine metabolism.
Term
Copper Interactions with other Nutrients
Definition
Ascorbic acid decreses serum ceruloplasmin. High intake of zinc can cause copper deficiency. Iron needs copper to prevent anemia. Copper deficiency decreases selenium dependent enzymes.
Term
Copper Excretion
Definition
Most copper is secreted by the lvier into the bile for excretion through the feces. Only a small amount is excreted through the urine, skin or sweat.
Term
Copper Requirements
Definition
RDA Men and Women: 900 micrograms/day. Pregnancy: 1000 micrograms/day and Lactation: 1300 micrograms/day.
Term
Copper Deficiency
Definition
Hypochromic anemia, leukopenia, neutropenia, hypopigmentation of skin and hair, impaired immune function, bone abnormalities, cardiovascular and pulmonary disfunction. Most common in people with high zinc intakes or antacid intakes, nephrosis of malabsorptive disorders.
Term
Copper Toxicity
Definition
Toxicity is fairly rare in the US. Intake of 64 mg results in nausea, vomiting, and diarrhea. Hematuria, jaundice, oliguria, or anuria can also happen. Wilson's disease is a genetic disorder characterized by copper toxicity.
Term
Copper Assessment of Nutriture
Definition
Best made using multiple indicators such as serum, plasma, red blood cells. But all of these are likely inadequate to assess short term changes.
Term
Selenium Nomenclature
Definition
a non metal that exists in several oxidation states and is similar to the chemistry of sulfur. Because of similarity to sulfur it can substitute for sulfur in amino acids such as methionine, cysteine, and cystine.
Term
Selenium Sources
Definition
Varies greatly based on its soil concentrations throughout the regions of the world. Animal products are thought to contain more than plant sources and seafood is thought to represent one of the better sources of selenium.
Term
Selenium Absorption
Definition
Exists in organic compounds as selenomethionine, selenocystine, selenocysteine. Inorganic forms of selenite and selenate also exist. Both organic and inorganic forms are efficiently absorbed. Duodenum is primary absorption site, but also occurs in the the jejunum and ileum but none in the stomach. Enhancing absorption is Vitamins A, C, and E and reduced glutathione. Absorption inhibited by heavy metals such as phytates and mercury.
Term
Selenium Transport, Uptake and Storage
Definition
Transported bound to proteins to the liver and other tissues. Can also bind sulfhydryl groups, globulins, and VLDL and LDL. Stored in kidney, liver, heart, pancreas, and muscle with small amounts also found in the lungs, brain, bone and red blood cells.
Term
Selenium Metabolism
Definition
Can be broken down and stored mostly for the use to synthesize selenium dependent enzymes. This occurs mostly in the liver.
Term
Selenium Functions and Mechanisms of Action
Definition
Maintenance and induction of the cytochrome P450 system, pancreatic function, DNA repair, enzyme activation, immune system function, detoxification of heavy metals.
Enzymes: Glutathione peroxidase IDI or DI, Selenoproteins.
Term
Selenium Interactions with other Nutrients
Definition
Lead lovers tissue selenium concentrations. Iron deficiency decreases synthesis of glutathione peroxidase, a selenium dependent enzyme. Copper deficiency decreases activity of several selenium dependent enzymes.
Term
Selenium Excretion
Definition
Secreted almost equally in the urine and the feces. Losses via the lungs and skin also contribute to daily excretion. Exhalation has a garlicky odor.
Term
Selenium Requirements
Definition
RDA for men and women: 55 micrograms/day. Pregnancy: 60 microgram/day Lactation: 70 micrograms/day.
Term
Selenium Deficiency
Definition
Linked to livestock animal diseases but only usually seen in humans who are receiving parenteral nutrition and causes poor growth, muscle pain and weakness, loss of pigmentation of hair and skin and whitening of nail beds.
Term
Selenium Toxicity
Definition
Also called selenosis, seen in miners and people taking supplements. Nausea, vomiting, fatigue, diarrhea, hair and nail brittleness and loss, inhibition of protein synthesis. TUL is set at 400 micrograms/day. Acute poisoning with gram amounts is lethal.
Term
Selenium Assessment of Nutriture
Definition
Concentrations of selenoproteins in the blood are a reflection or function of dietary intake within a specific range. Toenail clippings can demonstrate selenium status for up to a year prior.
Term
Chromium Nomenclature
Definition
exists in several oxidation states from Cr2- to Cr6+. It is found in air, water, and soil. Cr3+ or tirvalent chromium is the stablest form and most important form for humans. Binds to ligands such as nitrogen, oxygen, and sulfur.
Term
Chromium Sources
Definition
Exists in the trivalent form in foods. Meats, poultry, grains (especially whole), cheese, mushrooms spices, tea, beer, and wine. Brewer's yeast contains a biologically active organically complexed form of chromium known as glucose tolerance factor (GTF). Food processing and refining affects the chromium content of foods.
Term
Chromium Absorption
Definition
Absorbed in the acidic environment of the stomach bound to ligands and also throughout the small intestine, especially the jejunum. Absorbed by either diffusion or carrier-mediated transporter. Enhanced absorption by methionine and histidine by acting as ligands. Vitamin C may also enhance absorption. Inhibited by by neutral or alkaline environments by interaction with OH- ions, ingestion of antacids, and phytates in grains and legumes.
Term
Chromium Transport and Storage
Definition
Binds competitively with transferrin and is transported along with iron. If transferrin is unavailable, albumin will transport chromium. In high concentrations, globulins and lipoproteins will also help with transportation. Kidney, liver, muscle, spleen, heart, pancreas and bone. Thought to be stored with ferric iron because of its transportation together.
Term
Chromium Functions and Mechanisms of Action
Definition
Known to potentiate the action of insulin, supposedly through its complexing with nicotinic acid and amino acids to form glucose tolerance factor. Also involved in pancreatic insulin secretion and insulin receptor production. Therefore, has roles in glucose and lipid metabolism. Nucleic acid metabolism is another role for chromium.
Term
Chromium Interactions with other Nutrients
Definition
Large intake of chromium can decrease iron because it shares transferrin as a transporter.
Term
Chromium Excretion
Definition
Mostly excreted in the urine. Small amounts can be lost in the desquamation of skin cells and through unabsorbed chromium in the feces.
Term
Chromium Requirements
Definition
Adequate Intake Men: 35 micrograms Women: 25 micrograms. Over age 50 drops by 5 micrograms. Pregnancy: 30 micrograms. Lactation: 45 micrograms.
Term
Chromium Deficiency
Definition
Reported in several people receiving TPN without oral food intake. Weight loss, peripheral neuropathy, increased glucose levels and impaired glucose utilization, high plasma free fatty acid concentration. Sometimes a risk factor for people with syndrome X.
Term
Chromium Toxicity
Definition
Chromium picolinate has been shown to cause chromosomal damage, renal failure and hepatic dysfunction at intakes of 700 to 2400 micrograms. No TUL has been set.
Term
Chromium Assessment of Nutriture
Definition
No tests are available to determine status prior to supplementation. Plasma levels are not indicative of status. Urinary levels are only reflective of recent intake.
Term
Chromium Nomenclature
Definition
exists in several oxidation states from Cr2- to Cr6+. It is found in air, water, and soil. Cr3+ or tirvalent chromium is the stablest form and most important form for humans. Binds to ligands such as nitrogen, oxygen, and sulfur.
Term
Chromium Sources
Definition
Exists in the trivalent form in foods. Meats, poultry, grains (especially whole), cheese, mushrooms spices, tea, beer, and wine. Brewer's yeast contains a biologically active organically complexed form of chromium known as glucose tolerance factor (GTF). Food processing and refining affects the chromium content of foods.
Term
Chromium Absorption
Definition
Absorbed in the acidic environment of the stomach bound to ligands and also throughout the small intestine, especially the jejunum. Absorbed by either diffusion or carrier-mediated transporter. Enhanced absorption by methionine and histidine by acting as ligands. Vitamin C may also enhance absorption. Inhibited by by neutral or alkaline environments by interaction with OH- ions, ingestion of antacids, and phytates in grains and legumes.
Term
Chromium Transport and Storage
Definition
Binds competitively with transferrin and is transported along with iron. If transferrin is unavailable, albumin will transport chromium. In high concentrations, globulins and lipoproteins will also help with transportation. Kidney, liver, muscle, spleen, heart, pancreas and bone. Thought to be stored with ferric iron because of its transportation together.
Term
Chromium Functions and Mechanisms of Action
Definition
Known to potentiate the action of insulin, supposedly through its complexing with nicotinic acid and amino acids to form glucose tolerance factor. Also involved in pancreatic insulin secretion and insulin receptor production. Therefore, has roles in glucose and lipid metabolism. Nucleic acid metabolism is another role for chromium.
Term
Chromium Interactions with other Nutrients
Definition
Large intake of chromium can decrease iron because it shares transferrin as a transporter.
Term
Chromium Excretion
Definition
Mostly excreted in the urine. Small amounts can be lost in the desquamation of skin cells and through unabsorbed chromium in the feces.
Term
Chromium Requirements
Definition
Adequate Intake Men: 35 micrograms Women: 25 micrograms. Over age 50 drops by 5 micrograms. Pregnancy: 30 micrograms. Lactation: 45 micrograms.
Term
Chromium Deficiency
Definition
Reported in several people receiving TPN without oral food intake. Weight loss, peripheral neuropathy, increased glucose levels and impaired glucose utilization, high plasma free fatty acid concentration. Sometimes a risk factor for people with syndrome X.
Term
Chromium Toxicity
Definition
Chromium picolinate has been shown to cause chromosomal damage, renal failure and hepatic dysfunction at intakes of 700 to 2400 micrograms. No TUL has been set.
Term
Chromium Assessment of Nutriture
Definition
No tests are available to determine status prior to supplementation. Plasma levels are not indicative of status. Urinary levels are only reflective of recent intake.
Term
Iodine Nomenclature
Definition
A non metal found and functions in ionic form of iodide (I-)
Term
Iodine Sources
Definition
Also varies based on the soil concentrations. Can vary in both plants and in animals, as well as water. Sea water fish contain more iodide that freshwater fish. Dough oxidizers used to improve cross linking of gluten contain iodates (IO3-).
Term
Iodine Absorption
Definition
Either bound to amino acids or found free. When found free, its normally in the form of (IO3-). Iodate reduced to iodide by glutathione. Absorbed throughout the GI tract, including the stomach.
Term
Iodine Transport and Storage
Definition
Free iodide appears in the blood post absorption and can permeate all tissues. Concentrates in the thyroid gland. Lesser amounts are found in the ovaries, placenta, skin, and salivary glands, gastric and mammary glands.
Term
Iodine Functions and Mechanisms of Action
Definition
Synthesis of the thyroid hormones thyroxine and triiodothyronine.
Term
Iodine Interaction with other Nutrients
Definition
Arsenic causes thyroid cancer blocking absorption of iodine. Halide ions such as bromine interferes with uptake. Lithium inhibits the release of hormones from the thyroid. Some green vegetables such as cabbage and greens can act as goitrin and block uptake. Cassava, eating in 3rd world countries, prevents uptake of iodine.
Term
Iodine Excretion
Definition
Kidneys/urine is major route of excretion. Fecal losses are relatively low.
Term
Iodine Requirements
Definition
150 micrograms/day for both sexes. Pregnancy: 220 micrograms Lactation 290 micrograms.
Term
Iodine Deficiency
Definition
Can effect the release of thyroid hormones. Causes goiter where the thyroid gland swells due to overstimulation of TSH. Mental deficiency, hearing loss, motor disorders. Prevented through the addition of iodide to table salt.
Term
Iodine Toxicity
Definition
Lowest observed adverse effect levels of ~1700 micrograms/day. TUL set at 1100 micrograms/day.
Term
Iodine Assessment of Nutriture
Definition
urinary iodine, Urinary concentrations to creatinine ratio are unsuitable for evaluating status.
Term
Manganese Nomenclature
Definition
Occurs only in trace amounts in animal tissues. Exists in either in Mn2+ or Mn3+.
Term
Manganese Sources
Definition
Whole grain cereals, dried fruits, nuts, and leafy vegetables Tea contains a good source, but is not well absorbed.
Term
Manganese Absorption
Definition
Occurs equally well throughout the length of the small intestine. Women seem to absorb more manganese than men. Quickly saturable and probably involves a low-capacity high affinity active transport. Excessive intake decreases absorption to avoid toxicity. Mostly absorbed in the Mn2+ state, but converted to Mn3+ in the duodenum. Absorption increased by ligands and decreased by fiber, phytates, oxalate. Iron, copper and ascorbic acid can also diminish activity.
Term
Manganese Transport and Storage
Definition
Can be transported free or bound as Mn2+ to a macro-globulin before traversing to the liver. In the liver can remain free or bind to albumin, macro-globulin, or Mn2+ can be oxidized by ceruloplasmin to Mn3+. Stored mostly in the mitochondria of tissues that may be mediated by Ca2+ carrier. Found in most tissues and is not concentrated in any one tissues, although can me found in bone, liver, pancreas, and kidneys.
Term
Manganese Functions and Mechanisms of Action
Definition
Enzyme activator and a constituent of metalloenzymes. The activity of most enzymes utilizing manganese is not affected by its deficiency because they are not manganese specific.
Term
Manganese Interaction with other Nutrients
Definition
Iron and calcium both interact with manganese.
Term
Manganese Excretion
Definition
Primarily excreted through the bile in the feces. Very little found in the urine. Losses through sweat and skin are also a contributor to losses.
Term
Manganese Requirements
Definition
Adequate Intake Men: 2.3 mg/day and Women: 1.8 mg/day. Pregnancy: 2 mg/day and Lactation: 2.6 mg/day.
Term
Manganese Deficiency
Definition
Generally does not develop in humans unless the mineral is deliberately removed from the diet. Nausea, vomiting, dermatitis, increased serum calcium, phosphorus, and alkaline phosphatase., decreased growth of hair and nails, changes in hair color, and low blood cholesterol levels.
Term
Manganese Toxicity
Definition
Can occur in people with liver failure and miners who have inhaled dust fumes high in manganese. Parkinsonism like symptoms. TUL set at 11 mg/day.
Term
Manganese Assessment of Nutriture
Definition
Concentrations in mononuclear blood cells as well as plasma, serum, and blood. Can also use enzyme activity but not as accurate.
Term
Molybdenum Nomenclature
Definition
The need for this mineral was established in humans due to observation of a genetic deficiency of specific enzymes that required this mineral as a cofactor. This metal is found in two valence states of Mo4+ and Mo6+. Normally bound to either sulfur or oxygen.
Term
Molybdenum Sources
Definition
Found in many food sources but the concentration depends on the soil content. legumes, meat, fish, poultry, and grains. Fruit and dairy are low sources.
Term
Molybdenum Absorption
Definition
Thought to be a passive process but it is not clear the site for absorption.
Term
Molybdenum Transport and Storage
Definition
May be bound to albumin or macro-globulin and in the form of molybdate (moO42-). Liver, kidney, and bone contain the most storage but can also be found in small intestine, lungs, spleen, muscle, brain and glands such as thyroid and adrenal glands,
Term
Molybdenum Functions and Mechanisms of Action
Definition
redox function and its necessity as a cofactor for sulfite oxidase, aldehyde oxidase, and xanthine dehydrogenase. In the form of molybdopterin is a cofactor that is formed from molybdenum.
Term
Molybdenum Interactions with other Nutrients
Definition
Tungsten is an antagonist. Sulfur and copper affect each others absorption and retention. Other nutrients affect molybdenum but are not well understood.
Term
Molybdenum Excretion
Definition
Lost through the urine. Kidneys are thought to regulate homeostasis for molybdenum and the higher the intake the greater the losses.
Term
Molybdenum Requirements
Definition
RDA 45 micrograms for both sexes. Pregnancy and Lactation: 50 micrograms
Term
Molybdenum Deficiency
Definition
Rarely seen unless large intake of antagonistic substances such as sulfate, copper or tungstate are consumed. High levels of blood methionine, hypoxanthine, and low blood levels of uric acid.
Term
Molybdenum Toxicity
Definition
Symptoms such as gout, have been seen around intakes of 1500 micrograms/day and a TUL has been set at 2mg.
Term
Molybdenum Assessment of Nutriture
Definition
Plasma and red blood cells but these tests have not been validated as an indicator of status.
Term
Fluoride Nomenclature
Definition
fluorine bound to a metal, nonmetal or organic compound.
Term
Fluoride Sources
Definition
Normally added to community drinking water. Normally low in food groups but can be found in some grains, cereal products, and some marine fish. Tea can also contain small amounts.
Term
Fluoride Absorption
Definition
nearly 100% when consumed in water or toothpaste. Decreases to around 50% when it is consumed in solid foods. Occurs by passive diffusion.
Term
Fluoride Transport and Storage
Definition
Transported in blood as ionic fluoride or hydrofluoric acid not bound to plasma proteins. Most is found stored in bones and teeth.
Term
Fluoride Functions and Mechanisms of Action
Definition
mineralization of bones and teeth.
Term
Fluoride Interactions with other Nutrients
Definition
aluminum, calcium, magnesium, and chloride reduce uptake and use. Phosphate and sulfate increase uptake. Aluminum antacids can cause phosphorus and fluoride decrease.
Term
Fluoride Excretion
Definition
Excreted rapidly through the urine. Some renal tubular reabsorption occurs by passive diffusion
Term
Fluoride Requirements
Definition
Adequate Intake Men:4 mg/day and Women: 3 mg/day No increases are needed during pregnancy and lactation.
Term
Fluoride Deficiency
Definition
Curtailed growth, infertility, and anemia are found in animals with deficiency but have not seen seen in humans.
Term
Fluoride Toxicity
Definition
Fluorosis characterized by changes in bone, kidney, and possibility nerve and muscle function. Causes mottling of teeth. Acute toxicity causes nausea, vomiting. diarrhea, acidosis, and cardia arrhythmias. TUL set 1.3 mg/day for small children and 10 mg/day for older children and adults.
Term
Fluoride Assessment of Nutriture
Definition
ionic fluoride is measured.
Term
Arsenic Nomenclature
Definition
Colorless and odorless. Although this element can be toxic, there is accumulating evidence that it is an essential element. Found in foods in the trivalent and pentavalent states. Also can be found in methylated forms.
Term
Arsenic Sources
Definition
Present in water, rocks, and soils but varies region to region. Marine origin foods are rich in arsenic. Also present in meats, cereal and grain products, as well as dairy.
Term
Arsenic Absorption
Definition
Absorption varies based on the chemical form, solubility, and the amount administered. thought to occur via simple diffusion across the intestinal mucosa. More is absorbed as the lipid solubility of the arsenical increases.
Term
Arsenic Transport and Metabolism
Definition
Transported from the blood to the liver. In the liver arsenate-
as (V) is reduced to the more toxic trivalent arsenite and then methylated to the less toxic monomethlarsonic acid. Stored in skin, hair and nails.
Term
Arsenic Functions and Deficiency
Definition
formation and utilization of methyl groups, generated in methionine metabolism to SAM. Deficiency has been seen to impair methionine metabolism , decrease SAM concentrations, and decrease methylation of histones and DNA.
Term
Arsenic Interactions with other Nutrients
Definition
Interacts antagonistically with selenium and iodine.
Term
Arsenic Excretion
Definition
Excreted rapidly through the kidneys. Urinary metabolites include methylarsinic avid, dimethylarsinic acid, and trimethylated arsenic.
Term
Arsenic Requirements and toxicity
Definition
12-25 micrograms/day suggested although no requirement has been set. no TUL has been established. Inorganic forms are more toxic and are carcinogenic. Acute toxicity: GI distress, encephalopathy, anemia, and hepatotoxicity. Fatal at intakes of 70-300 mg. .
Term
Arsenic Assessment of Nutriture
Definition
Using atomic absorption spectrometry, mass spectrometry, neutron activation analysis, and emission spectroscopy.
Term
Boron Nomenclature
Definition
Boric acid and sodium borate (borax) was used to preserve foods such as fish, meats, cream, butter. and margarine and then it was deemed dangerous for humans in the 1920s. In the 1980s, it was determined that it can be toxic but is essential for humans.
Term
Boron Sources
Definition
Foods of plant origins such as fruits, vegetables, nuts and legumes are particularly rich sources. Wine, cidar and beer also contribute to dietary intake. Avocado, peanuts, peanut butter, pecans, raisins. grapes.
Term
Boron Absorption
Definition
Greater that 85% is thought to be rapidly absorbed via passive diffusion from the GI tract. .
Term
Boron Transport and Storage
Definition
Found in the blood as boric acid, orthoboric acid, and borate anion. Stored in mainly bone, teeth, nails and hair.
Term
Boron Excretion
Definition
Boron absorbed in the form of B (OH)3 is not used and is excreted unaltered. Mostly lost in the urine, but up to 13% can be lost in the feces and small amounts in sweat.
Term
Boron Functions and Deficiency
Definition
Roles in embryogenesis, bone development, cell membrane function and stability, metabolic regulation and mediation of inflammatory response. Depressed growth is seen in deficiency.
Term
Boron Requirements and toxicity
Definition
Recommended intake has not been established but intakes of <1mg has been reported. Toxicity results in nausea, vomiting, diarrhea, dermatitis, and lethargy. Increased excretion of riboflavin has also been reported with toxicity. TUL is set at 20mg/day
Term
Boron Assessment of Nutriture
Definition
Inductively coupled plasma emission spectrometry has been used but it is not known if these tissue concentrations are indicative of nutrition status. Plasma concentrations can also greatly vary.
Term
Nickel Sources
Definition
Foods of plant origin have higher nickel content that animal sources. Nuts, legumes, grains, and chocolate. Plants most likely contain inorganic forms and is normally from the soil the plant is grown in.
Term
Nickel Absorption
Definition
Food absorption is thought to be l<10%. Higher absorption rates are found from water and beverages. Crosses the brush border via energy-dependent mechanisms or by passive diffusion.
Term
Nickel Transport and Storage
Definition
Competes with iron for transport system in the proximal small intestine. Transport across the basolateral membrane is thought to occu by diffusion or past of a complex with an amino acid or binding ligand. In the blood bound to albumin and smaller amounts to amino acids. Only stored in the body in nanogram amounts, mostly in the thyroid, adrenal glands, hair, bone and lungs, heart, kidneys, and liver.
Term
Nickel Functions and Deficiency
Definition
Specific role not defined in humans. In plants, it is involved in urea breakdown into CO2 and ammonia. Deprivation in some animals have caused depressed growth, altered distribution of minerals, changes in glucose levels, and impaired hematopoiesis.
Term
Nickel Interactions with other Nutrients
Definition
Nickel can compete with ions for ligands sites. These interactions occur with iron, copper, and zinc among others.
Term
Nickel Excretion
Definition
Mostly excreted in the urine. Complexed in the kidneys with compounds such as uronic acid and oligosaccharides. Small amounts are excreted in the bile. High concentrations can potentially be lost through sweat.
Term
Nickel Requirements and Toxicity
Definition
TUL set at 1 mg/day. Needs may be <100 micrograms/day. Toxicity can cause nausea, vomiting, and shortness of breath, lethargy, ataxia, irregular breathing and hypothermia.
Term
Nickel Assessment of Nutriture
Definition
Flameless atomic absorption spectrophotometry. Serum or plasma can be used but valid methods for assessing status are unavailable.
Term
Silicon Nomenclature
Definition
Second only to oxygen in earth wide abundance. Occurs naturally as dioxide silica (Sio2) and water soluble silici acid Si(OH)4. In plants, it is found as a solid hydrated oxide SiO2;nH2O.
Term
Silicon Sources
Definition
Foods of plant origins are normally better sources than animal sources. Whole cereal grains and root vegetables among the best.
Term
Silicon Absorption, Transport, Storage, and Excretion
Definition
Estimates absorption ranges from 1-70% depending n the form of silicon ingested. Can be found free or bound in the blood. Once absorbed it is mostly free. Excreted through the urine. Most rapidly taken up by the liver, lung, skin, and bone.
Term
Silicon Functions and Deficiency
Definition
focused on normal growth and development of bone, connective tissue, and cartilage. Deficiency can be seen in decreased collagen formation because of decreased synthesis of proline and hydroxyproline.
Term
Silicon Interaction with other Nutrients
Definition
May interact with molybdenum in an antagonistic manner.
Term
Silicon Requirements, Toxicity, and Assessment of Nutriture
Definition
2-5 mg/day but could be as high as 35 mg/day, it is largely unknown. Not tolerable upper limit has been set.
Term
Silicon Nomenclature
Definition
Second only to oxygen in earth wide abundance. Occurs naturally as dioxide silica (Sio2) and water soluble silici acid Si(OH)4. In plants, it is found as a solid hydrated oxide SiO2;nH2O.
Term
Silicon Sources
Definition
Foods of plant origins are normally better sources than animal sources. Whole cereal grains and root vegetables among the best.
Term
Silicon Absorption, Transport, Storage, and Excretion
Definition
Estimates absorption ranges from 1-70% depending n the form of silicon ingested. Can be found free or bound in the blood. Once absorbed it is mostly free. Excreted through the urine. Most rapidly taken up by the liver, lung, skin, and bone.
Term
Silicon Functions and Deficiency
Definition
focused on normal growth and development of bone, connective tissue, and cartilage. Deficiency can be seen in decreased collagen formation because of decreased synthesis of proline and hydroxyproline.
Term
Silicon Interaction with other Nutrients
Definition
May interact with molybdenum in an antagonistic manner.
Term
Silicon Requirements, Toxicity, and Assessment of Nutriture
Definition
2-5 mg/day but could be as high as 35 mg/day, it is largely unknown. Not tolerable upper limit has been set.
Term
Vanadium Nomenclature
Definition
Element exists in several oxidative states from V2+ to V5+. Forms complexes with amino acids such as alanine and aspartate. Found primarily in pentavalent state.
Term
Vanadium Sources
Definition
Content in foods is very low. Black pepper, parsley, dill seed, canned apple juice, fish sticks, mushrooms, and oysters are rich sources
Term
Vanadium Absorption, Transport and Storage
Definition
Absorption is generally very low around 5% and varies for the different forms. In the blood, it is canadate is converted to vanadyl. Glutathione, NADH, and ascorbic acid act as reducing agents. Binds to iron containing proteins. Thought to enter cells through a transport system. Little is stored in the body, but it is initially stored in the kidney and then shifted to the bone for long term storage.
Term
Vanadium Functions
Definition
No specific biochemical functions have been identified. Has pharmacological benefits such as redox reactions, mimics the action of insulin. Similar actions phosphate.
Term
Vanadium Excretion
Definition
Urinary excretion is the major route for removal. Small amounts are lost through the bile. In the urine, it has several metabolites.
Term
Vanadium Requirements, Toxicity and Assessment of Nutriture
Definition
Not requirements have been established, although it is thought that 10 micrograms/day would meet needs. TUL is set at 1.8 mg/day. Toxicity seen with intake above 10 mg. Green tongue, diarrhea, GI cramps, disturbances in mental function, HTN and renal toxicity. Assessed by neutron activation analysis and flameless atomic absorption spectrophotometry.
Term
Cobalt
Definition
Little evidence that it plays a role in human nutrition other than as part of vitamin B12. No need for ionic form for the metal but as a metallovitamin that cannot be synthesized from dietary metal. There may be some enzymes that are dependent on cobalt for activation.
Term
VItamin A
Definition
Tested through vitamin a or beta carotene in the serum. If low, repletion dosage of 5,000-10,000IU/day
Term
Vitamin B1 (Thiamin)
Definition
Tested through Alpha-keto acids(urine) and erythrocyte transketolase index (RBC). If those are high, repletion dosage of 50-300 mg/day
Term
Vitamin B2 (Riboflavin)
Definition
Tested through alpha-keto acids (urine), ethylmalonate (urine) adn EGR activity coefficient (RBC). If high, repletion dosage 50-200 mg/day.
Term
Vitamin B3 (Niacin)
Definition
Tested through N-Methylnicotinaminde (urine), Lactate and pyrvate (urine). If N-Methylnicotinamide is low and lactate/pyruvate are high, repletion dosage 50-3,000 mg/day
Term
Vitamin B5 (Pantothenic acid)
Definition
Tested through alpha-keto acids (urine) and Pantothenic acid (urine). If alpha-keto acids are high and pantothenic acid is low, repletion dosage is 100-1,000 mg/day.
Term
Vitamin B6 (pyroxidine)
Definition
Tested through xanthurenate, kynurenate (both urine), homocysteine (plasma), and EGOT Index (RBC). If all are high, 50-200 mg/day for repletion
Term
Vitamin B12 (Cyanocobalamin)
Definition
Methylmalonate (urine), Homocysteine (plasma) Vitamin B12 (serum). IF MMA and homocysteine are high and Vitamin B12 are low, repletion dosage 100-1,000 micrograms/day
Term
Tetrahydrobiopterin (BH4) and Dihydrobiopterin (BH2)
Definition
BH4 (plasma), Phe or Phe/Tyr ratio (plasma), BH4 loading test (plasma). If BH4 is low, Phe or Phe/Tyr is high and BH4 loading has a drop >50%, repletion of 2-20mg/kg/day
Term
Vitamin C (ascorbate)
Definition
Vitamin C (serum, leukocyte, urine after 500 mg oral load). If all low, repletion of 1,000-5,000 mg/day
Term
Vitamin K
Definition
PIVKAII (serum), Undercarboxylated osteocalcin (Serum), Vitamin K (serum), Prothromin (plasma). If PIVKAII and vitamin K are low and Undercarboxylated osteocalcin and Prothrombin are high, repletion dosage 500-1,000 micrograms/day
Term
Vitamin D
Definition
25-Hydrooxyvitamin D (serum), bone-specific collagen fragments (urine). If 25-hydroxyvitamin D is low and bone-specific collagen fragement is high then repletion dosage is 700-10,000 IU/day
Term
Vitamin E (tocopherol)
Definition
Tocopherol (serum), tocopherol/triglyceride (serum). If both are low, repletion dosage 200-1,600 IU/day.
Term
Biotin
Definition
Beta-Hydroxyiocalerate (urine). If high, repletion dosage is 500-5,000 micrograms/day.
Term
Folate
Definition
Homocysteine (plasma), Folate (serum), Folacin (RBC), Macrocytic Anemia (whole blood), Neutrophil Hypersegmentation (whole blood), Formiminoglutamate (FIGLU) (urine). Homocysteine high, Folate/Folacin low, positive for macrocytic anemia and neutrophil hypersegmentation and high FIGLU. Repletion dosage 5-150 mg/day
Term
Carnitine
Definition
Adipate, suberate, ethylmalonate (urine). If all high, repletion dosage 250-1,000 mg/TID
Term
Coenzyme Q10
Definition
Coenzyme Q10 (serum), Succinate (urine), Hydroxymethlyglutarate (urine). If coenzyme q10 low and succinate/hydrooxymethylglutarate high, repletion dosage of 10-3,000 mg/day
Term
Lipoic Acid
Definition
Lactate and Pyruvate (urine or serum) both elevated. Repletion dosage of 10-1,800 mg/day.
Term
Choline
Definition
Choline (plasma). If low, repletion dosage of 1-12 grams/day
Term
Calcium
Definition
Direct markers: hair, urine
Functional Biomarkers: Bone resorption, serum hydroxyvitamin D, and PTH
Dosage: Children- 500-1200 mg Adults- 800-1300 mg
Term
Magnesium
Definition
Direct Markers: RBC, Whole Blood, Plasma, Serum, Urine
Functional Markers: Refractory hypokalemia
Dosage: Children-200-600 mg Adults 300-750 mg
Term
Potassium
Definition
Direct Markers:RBC, Serum, Hair
Functional Markers: N/A
Dosage: Children- 50-150 mg Adults- 150-300 mg
Term
Iron
Definition
Direct Markers: Ferritin
Functional Markers: Total Iron Binding Capacity, Transferrin Saturation, Hemoglobin, Hematocrit
Dosage: Children- 10-20 mg IDA: 5mg/kg, Adults- 18-50 mg IDA: 90-200 mg
Term
Zinc
Definition
Direct Markers: RBC, Hair, Plasma
Functional Biomarkers: Delta 6 desaturase activity (LA:GLA), Zn-metallotionein
Dosage: Children-8-30mg Adults-15-65 mg
Term
Copper
Definition
Direct Markers: RBC, serum, ceruloplasmin
Functional Biomarkers: Elevated urinary HVA/VMA ration, bone resorption markers
Dosage: Children- 1-5 mg Adults- 2-10 mg
Term
Manganese
Definition
Direct Markers: RBC
Functional Biomarkers: Abnormal urinary ammonia markers, elevated arginine:ornithine ratio
Dosage: Children-1-10 mg Adults: 5-13 mg
Term
Selenium
Definition
Direct Markers: Serum, Whole Blood, Hair
Functional Biomarkers: Selenoprotein P, Urinary Selenosugars
Dosage: Chilren- 50-150 micrograms Adults- 50-400 micrograms
Term
Molybdenum
Definition
Direct Markers: Hair
Functional Biomarkers: Elevated xanthine:uric acid ratio
Dosage: Children-20-200 micrograms Adults-50-400 micrograms
Term
Chromium
Definition
Direct Markers: RBC, Urine, Hair
Functional Markers: Insulin, Blood glucose
Dosage: Children- 50-500 micrograms Adults- 200-1000 micrograms
Term
Iodine
Definition
Direct Markers: Urine
Functional Biomarkers: Serum T3, T4, TSH, Blood Spot Thyroglobulin
Dosage: Children- 90-600 micrograms Adults- 150 micrograms-50 mg
Term
Boron
Definition
Direct Marker:serum, urine, hair
Functional Markers: Bone resorption markers
Dosage: Children- NA Adults- 1-12 mg
Term
Nickel
Definition
Direct Markers: Urine, plasma, hair
Functional Biomarkers: NONE
Dosage: Children- NA Adults- <5 micrograms
Term
Lithium
Definition
Direct Markers: Serum, Plasma, Urine, Hair
Functional Markers: NONE
Dosage: Children-NA Adults- 400-1000 micrograms
Term
Vanadium
Definition
Direct Markers: whole blood, serum, urine
Functional Biomarkers: blood glucose, blood lipids
Dosage: Children-NA Adults-9 micrograms-125 mg
Term
Strontium
Definition
Direct Markers:Serum, Urine, Hair
Functional Biomarkers: Bone resorption markers
Dosage: Children- NA Adults- 125-680 mg
Term
Glutamic Acid (GLU)
Definition
Alpha-ketoglutarate high. Dosage: 600 mg TID
Term
Glutamine (GLN)
Definition
alpha-ketoglutarate high. Dosage 600 mg BID; B6- 100 mg
Term
Arginine (arg)
Definition
Low: Arg 500mg High: Mn, 15 mg Excessive L-lysine supplementation
Term
Asymmetric Dimethylarginine
Definition
Arg High, 3-6g
Term
Citrulline
Definition
High: Mg, 200 mg BID, Alpha-KG, 600 mg BID
Term
Ornithine (Orn)
Definition
High: Mg, 200 mg BID, Alpha-KG, 600 mg BID, Excessive L-lysine supplementation
Term
Aspartic Acid (Asp)
Definition
Low: Alpha-KG, 600 mg TID
High: Mg, 200 mg BID, Zn, 25 mg
Term
Asparagine (Asn)
Definition
Low: Mg, 200 mg BID
High: Alpha-KG, 600 mg BID, B6, 100 mg
Term
Isoleucine (Ile), Leucinie (Leu), Valine (Val)
Definition
High: B6, 100 mg, Check Insulin Sensitivity
Term
Threonine (Thr)
Definition
High: B6, 100 mg
Term
Histidine (His)
Definition
Low: Folate, 800 micrograms, His, 500 mg TID
High: B6, 100 mg
Term
Lysine (Lys)
Definition
Low: Carnitine, 1-2 g, Associated with stress response, check for excessive arg intake
High: Vitamin C, 1g BID, Niacin, 50mg, B6 100 mg, Fe, 15 mg. Supplementation decreases arginine. Excessive lysine can contribute to kidney pathology
Term
alpha-aminoadipic acid
Definition
High: B6 100 mg, alpha-KG 300 mg TID
Term
Phenylalanine (Phe)
Definition
High: Fe 30 mg, BH4, Vitamin C 300 mg/d, low-Phe diet
Term
Tyrosine (tyr)
Definition
Low: Fe 30 mg, Tyr 500 mg TID
High: Cu 3 mg, Fe 30 mg, Vitamin C 1 g TID
Term
Tryptophan (Trp)
Definition
Low: 5-HTP, 50 mg TID
High: Niacin 50 mg, B6 100 mg BID, Fe 30 mg, Cu 3 mg
Term
Alpha-Amino-N-butyric acid
Definition
Low: alpha-KG 300 mg TID, B6 100 mg
Term
gamma-Aminobutyric acid (GABA)
Definition
High: alpha-KG 600 mg BID, B6 50 mg
Term
Methionine (Met)
Definition
High: B6 200 mg, Alpha- KG 600 mg BID
Term
Cystine (Cys)
Definition
Low: NAC 500 mg BID
Term
Homocysteine (HCys)
Definition
High: B6 100 mg, Folate 800 micrograms, B12 1000 micrograms, Betaine 1000 mg
Term
Cystathionine
Definition
High: B6 100 mg
Term
Taurine (Tau)
Definition
Low: B6 100 mg
Term
Glycine (Gly)
Definition
Low: Gly 1000 mg TID
High: Folate 800 micrograms, B 6 100 mg, B2 (riboflavin)50 mg, B5 (pantothenic acid) 500 mg
Term
Serine (Ser)
Definition
Low: B6 100 mg, Folate 800 micrograms, Ms 15 mg
High: Thr 500 mg BID, BCAAs 2g TID
Term
Sarcosine
Definition
High: B2 (riboflavin) 50 mg
Term
Alanine (Ala)
Definition
High: B6 100 mg
Term
Ethanolamine
Definition
High: Mg 200 mg BID
Term
Phosphoethanolamine
Definition
High: S-Adenosylmethionine 200 mg BID
Term
Phosphserine
Definition
High: Mg 200 mg BID
Term
Proline (Pro)
Definition
Low: Alpha-KG 600 mg BID, His 300 mg
High: Vitamin C 1000 mg TID, Niacin 50 mg
Term
Hydroxyproline (HPro)
Definition
High: vitamin C 1000 mg TID, Fe 15 mg
Term
Hydroxylysine (HLys)
Definition
High: Vitamin C 1000 mg TID, Fe 15 mg
Term
Beta-Alanine
Definition
Lactobacillus, Bifidobacteria, B6 100 mg
Term
Beta-Aminoisobutyric acid
Definition
High: B6 50 mg, B12 100 mg
Term
Anserine
Definition
High: Zn 30 mg
Term
Carnosine
Definition
High: Zn 30 mg
Term
1-Methylhistidine
Definition
Vitamin E 400 IU
Term
3-Methylhistidine
Definition
High: BCAA 6-9 grams (if evident muscle wasting
Term
Testing for Lipid Oxidation
Definition
Lipid Peroxides (urine, serum), Isoprostanes (serum), HNE (serum), Oxidized LD (plasma) are all elevated
Term
Intervention for Oxidant Damage
Definition
Increase balanced antioxidant intake and decrease oxidant load. Use high-dose individual antioxidants as indicated by laboratory testing.
Term
Testing Protein Oxidation
Definition
3-Nitrotyrosine, Methionine Sulfoxide (serum) are both elevated
Term
Testing Nucleotide Oxidation
Definition
8-Hydroxy-2'-deoxyguanosine (serum), DNA Strand Breakage (WBC) are both elevated
Term
Antioxidant Nutrient Testing: Metabolic End Products
Definition
Uric Acid (serum), Albumin (serum) are both decreased. Treatment is antioxidant nutrients and finding reason for albumin loss.
Term
Antioxidant Nutrient Testing: Glutathione
Definition
Sulfate (urine), Pyroglytamate (urine), Alpha-Hydroxybutyrate (urine). Sulfate is low, Pyroglytamate and Alpha-Hydroxybutyrate are both elevated. Treatment is N-Acteylcysteine, Methionine, Taurine, and Glycine (if plasma levels low)
Term
Antioxidant Nutrient Testing: Fat Soluble Vitamins
Definition
Vitamin A & E, Beta Carotene, Coenzyme Q10 (serum) all low. Treatment is add individual antioxidants as indicated by laboratory testing
Term
Antioxidant Nutrient Testing: Antioxidant Minerals
Definition
Selenium, Zinc, Copper (RBC, Hair, Urine, Serum) are all low. Treatment is trace element supplementation and digestive support.
Term
Nutrients Impaired by Thyroid Hormones
Definition
High: Vitamin C, Vitamin E, CoQ10, Tyrosine, Vitamin A/Beta Carotene
Low: Vitamin A/Beta Carotene, Iodine, Tyrosine, Selenium
Term
Thyroid Hormone Effect of Nutrients
Definition
Vitamin C, E: Increased Utilization
Vitamin A/Beta Carotene: Abnormal Carotene Coversion
Iodine:Deficiency
CoQ10: Increased Utilization
Tyrosine/Selenium: Thyroid Function
Term
Nutrients Impaired by Testosterone
Definition
Low: Zinc, Amino Acids
Term
Testosterone Hormone Effect of Nutrients
Definition
Zinc, Amino Acids: Increased Utilization
Term
Nutrients Impaired by Estrogen
Definition
Low: Calcium, Magnesium, Vitamin D
Term
Estrogen Hormone Effect of Nutrients
Definition
Calcium, Magnesium, Vitamin D: Increased mineralization of bones
Term
Nutrients Impaired by ACTH
Definition
High: amino acids
Term
ACTH Hormone Effect of Nutrients
Definition
Amino Acids: Increased Utilization
Term
Nutrients Impaired by Cortisol
Definition
High: B-complex vitamins, amino acids, mineral, iron, vitamin C, fatty acids
Term
Cortisol Hormone Effect of Nutrients
Definition
B-complex vitamins, amino acids, minerals, iron, vitamin C: Increased loss
Fatty Acids: Lowered omega-6 levels
Term
Nutrients Impaired by DHEA
Definition
High: Vitamin E
Term
DHEA Hormone Effect of Nutrients
Definition
Vitamin E: Increased oxidant stress
Term
Nutrients Impaired by Growth Hormone
Definition
Low: Fatty Acids, Amino Acids, Vitamin D
Term
Growth Hormone Effect of Nutrients
Definition
Fatty Acids, Amino Acids: Decreased Fat Oxidation
Vitamin D: Increased Catabolism
Term
Nutrients Impaired by Insulin
Definition
High: Minerals, Amino Acids, Fatty Acids
Low: Glucose
Term
Insulin Hormone Effects of Nutrients
Definition
Minerals, Amino Acids, Fatty Acids: Increased loss
Glucose: Decreased metabolic utilization and increased urinary loss
Term
Fat-Soluble Vitamins
Definition
Tested in the serum and 5-6 analytes
Term
Nutrient and Toxic Elements
Definition
Tested in RBC (8-10 analytes), Whole Blood (8-10 analytes), Urine (12-15 analytes), Hair (12-15 analytes).
Term
Amino Acids
Definition
Plasma (10-40 analytes), Urine (10-40 analytes), Blood Spot (8-12 analytes)
Term
Fatty Acids
Definition
Plasma (20-40 analytes), RBC (20-40 analytes), Blood Spot (6-8 analytes)
Term
Organic Acids
Definition
Urine with 30-40 analytes
Term
GI Function for Celiac Disease
Definition
Urine with 3-4 analytes
Term
GI Function for Food Allergies (IgE)
Definition
Plasma with 10-100 analytes
Term
GI Function for Food Sensitivities (IgG)
Definition
Plasma with 10-100 analytes
Term
GI Function for Microbial Populations
Definition
Stool (70-100 analytes), Urine (10-15 analytes)
Term
Detoxification
Definition
Urine/Salvia with 5-8 analytes
Term
Hormones
Definition
Serum (3-6 analytes), Urine (10-15 analytes)
Term
Oxidant Stress
Definition
Urine 2-3 analytes
Term
Testing for Diabetes
Definition
Primary: Blood Glucose
Reinforcing: Glucose Tolerance, Insulin, C-Peptide, Glycoproteins (A1C)
Term
Testing for Heart Disease
Definition
Primary: Cholesterol
Reinforcing: Triglycerides, LDL, HDL, Testosterone, Insulin, Lipid Peroxides, Vitamin E
Term
Testing for Peripheral Neuropathy
Definition
Primary: Low Serum Vitamin B12
Reinforcing: Methylmalonate, Homocysteine, Complete Blood Count
Term
Testing for Slow Wound Healing
Definition
Primary: Low Serum Zinc
Reinforcing: RBC Trace Element Profile, Fatty Acid Prfofile (LA/DGLA)
Term
Testing for Rapid Aging
Definition
Primary: Elevated Lipid Peroxides
Reinforcing: Serum Vitamin E, Serum CoQ10, RBC Mineral Profile
Term
Essential Amino Acids
Definition
Histidine, Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Threonine, Tryptophan, Valene
Term
Which Stereoisomer of amino acids are utilized in humans
Definition
The L-amino acids
Term
Amino Acids Associated with the Urea cycle
Definition
Arginine, Aspartic Acid, Glutamic Acid, Glutamine
Term
Amino Acids Associated with Glutathione Synthesis
Definition
Cysteine, Glutamic Acid, Glycine, Methionine
Term
Amino Acids Associated with Neurotransmitters
Definition
Glutamic Acid, Histidine, Phenylalanine, Serine, Tryptophan, Tyrosine
Term
Amino Acids Associated with Creatine
Definition
Arginine, Glycine
Term
Amino Acids Associated with DNA and RNA
Definition
Aspartic Acid, Glutamine, Glycine
Term
What provides the major flux of amino acids supplied by blood flow
Definition
Protein and polypeptide synthesis
Term
What will a genetic defect in the SN1-SN2 transporter system cause
Definition
Elevation of plasma glutamine, asparagine, and histidine. Difficultly maintaining normal tissue pH.
Term
Who would benefit from glutamine supplementation
Definition
Severe catabolic illness such as burns, intestinal dysfunction, immunodeficiency syndromes, advanced malignant disease, low birth weight babies
Term
What conditions would cause elevated plasma glutamate
Definition
amyotrophic lateral sclerosis, AIDS, Epilepsy, Acute liver failure
Term
What conditions would cause decreased plasma glutamate
Definition
Headache, fatigue, confusion, poor concentration, and food intolerance due to hyperammonemia, Tumor induced cachexia
Term
Folic Acid Deficiency Results in urinary Losses of what amino acid
Definition
Histidine
Term
Elevated Histidine levels Can be Indicative of What Conditions
Definition
Muscle Protein Breakdown
Term
What compounds tend to lower histidine levels
Definition
Salicylates and Steroids
Term
What three body systems are affected by Tyrosine and Phenylalanine
Definition
Thyroid, Brain, Skin
Term
Tryptophan is involved in the formation and catabolism of what 3 compounds
Definition
Serotonin, Nicotinate, Indican
Term
If multiple Essential Amino Acid levels are elevated what is indicated
Definition
Vitamin B6 deficiency
Term
If Histidine is low what is indicated
Definition
Folic acid or Zinc Deficiency
Term
If Lysine is low what is indicated
Definition
Carnitine Deficiency
Term
If Proline and Hydroxyproline are high what is indicated
Definition
Vitamin C deficiency
Term
If Sarcosine and Glycine are High what is indicated
Definition
Vitamin B12 and Folate Deficiency
Term
If Phenylalanine and Tyrosine are elevated what is indicated
Definition
BH4 and Iron Deficiency
Term
If Omega 3 Polyunsaturated Fatty Acids are low what is impacted
Definition
Nerve membrane function, Neurological development, Eisoanoid substrates, and essential fatty acids
Term
What can be supplemented if Omega 3 fatty acids are low
Definition
Flax or Fish Oils
Term
What are the Omega 3 Fatty Acids
Definition
Alpha Linolenic Acid (ALA), Ecosapentaenoic Acid (EPA), Docosapentaenoic, and Docosahexaenoic (DHA)
Term
If Omega 6 Fatty Acids are abnormal what is impacted
Definition
Essential fatty acids, eicosanoid precursors, desaturase inhibition, eicosanoid substrates, pro-inflammatory response, copper deficiency, increase adipose tissue
Term
What are the Omega 6 Fatty Acids
Definition
Linoleic (LA), Gamma Linolenic (GLA), Eicosadienoic, Dihomogammalinolenic (DGLA), Arachidonic (AA), Doosadienoic, Docosatetraenoic
Term
What can be supplemented for low LA
Definition
Sunflower oil or seeds
Term
What can be supplemented for low GLA
Definition
Evening Primrose or Black Currant Oil
Term
What can be supplemented for elevated Eicosadienoic Acid or low DGLA
Definition
Zinc, Iron and Vitamin B6
Term
What can be supplemented for AA abnormalities
Definition
Low: Corn or Black Currant Oil
High: Reduce Red Meats
Term
What can be supplemented for High Docosadienoic Acids
Definition
Copper Citrate
Term
What can be changed for High Docosatetraenoic Acid
Definition
Glycemic control
Term
What is caused by elevated mead aid
Definition
essential fatty acid deficiency
Term
What is the omega 9 Polyunsaturated Fatty Acid
Definition
Mead Acid
Term
What can be supplemented if Mead Acid is elevated
Definition
High PUFA oils
Term
What are the Monounsaturated Fatty Acids
Definition
Vaccenic, Myristoleic, Palmitoleic, Oleic, Gondoic (11-Ecosenoic), Nervonic, Erucic
Term
What is impacted by abnormal monounsaturated fatty acids
Definition
biotin deficiency, general EFA deficiency, Essential fatty acid deficiency, Membrane fluidity, neurological development, and nerve membrane function
Term
What can be supplemented if Vaccenic Acid Is low
Definition
Biotin
Term
What can be supplemented if myristoleic, palmitoleic, and Gondoic Acids are high
Definition
High PUFA oils
Term
What can be supplemented if oleic acid is low
Definition
olive oil
Term
What can be supplemented if nervonic acid is low
Definition
fish or canola oil
Term
what can be supplemented if erucic acid is low
Definition
Canola oil
Term
What are the Saturated Fatty Acids
Definition
Capric Acid, Lauric, Myristic, Palmitic, Stearic, Arachidic, Behenic, Lignoceric, Hexacosanoic
Term
What is impacted by saturated fatty acid abnormalities
Definition
multiple acyl-CoA dehydrogenation disorders, cholesterogenic, elevated triglycerides, cancer marker, desaturase inhibition, elongation stimulation, nerve membrane function.
Term
What can be supplemented if capric acid, lauric, and myristic acids are all elevated
Definition
Riboflavin
Term
What can be changed if palmitic and stearic acid are elevated
Definition
reduce saturated fatty acids, add niacin
Term
What can be supplemented if lignoceric acid is elevated
Definition
rape or mustard oils
Term
What are the odd numbered fatty acids
Definition
pentadecanoic, heptadecanoic, nonadecanoic, heneicosanoic, tricosanoic
Term
What can be supplemented if the odd numbered fatty acids are elevated
Definition
Biotin, Vitamin B12, Carnitine
Term
What is indicated by elevated odd numbered fatty acids
Definition
propionate accumulation
Term
What can be a potential response of elevated odd numbered fatty acids
Definition
dysbiosis
Term
What are the trans fatty acids
Definition
Palmitelaidic, Elaidic
Term
What can be changed if trans fatty acids are elevated
Definition
Eliminate hydrogenated oils
Term
What is impacted by elevated trans fatty acids
Definition
eicosanoid interference
Term
LA/DGLA ratio us used for desaturase enzyme monitoring, what can be supplemented if elevated
Definition
evening primrose or black currant oils (GLA sources)
Term
Abnormal DGLA/EPA ratio is indicative of eicosanoid imbalance and can be treated with what supplements
Definition
low: black currant oil
high: fish oil
Term
AA/EPA ratio is elevated during inflammation and can be supplemented with what
Definition
fish oil
Term
EPA deficiency
Definition
low n-3 and n-6, high mead, high T/T ratio, high palmitoleic
Treatment: EFA rich oils
Term
Hypertriglyceridemia
Definition
General elevation of most members of all fatty acid families
Treatment: Add fish oil, decrease carbohydrates, antilipdemic medications
Term
Zinc Deficiency
Definition
Elevated :A/DGLA or ALA/EPA ratios
Treatment: Zinc Supplementation
Term
Copper Deficiency
Definition
Elevated stearic, docosadienoic
Low oleic and linoleic acids
Treatment: Copper supplmentation
Term
Vitamin B12/Biotin Deficiency
Definition
Elevated odd numbered fatty acids and vaccenic acid
Treatment: vitamin B12 and biotin supplementation
Term
Which urinary organic acids are elvated with fatty acid oxidation abnormalities
Definition
Adipate, Suberate, Ethylmalonate
Term
What intervention supplementations can be used for fatty acid oxidation abnormalities seen in a urinary acid profile
Definition
Carnitine, Lysine
Term
Which urinary organic acids are elevated with carbohydrate metabolism abnormalities
Definition
Pyruvate, Lactate, Beta-Hydroxybutyrate
Term
What Interventions can correct carbohydrate metabolism abnormalities found in an organic acid profile
Definition
B1 (thiamin), B complex, Lipoic ACid, CoQ10, Chromium Picolinate
Term
Which Urinary Organic Acids are affected by citric acid cycle abnormalities
Definition
Citrate (H/L), Cis-Aconitate (H), Isocitrate (H), Alpha-Ketoglutarate (H/L), Succinate (H/L), Fumarate (L), Malate (H), Hydroxymethylglutarate (H/L)
Term
What metabolic pathways are affected by abnormalities to the citric acid cycle, as seen in the urinary organic acid profile
Definition
Renal Ammonia Clearance, Limited Substrate for CoQ10 synthesis, HMG-CoA Reductase Inhibition
Term
What interventions can correct abnormalities in the organic acid profile related to citric acid cycle production
Definition
Arginine, Aspartic Acid, Magnesium Citrate, Cysteine, Lipoic Acid, Manganese, AKG, Glutamine, B Complex, Isoleucine, Valine, CoQ10, Vitamin B3, tyrosine, Phenylalanine
Term
What organic acids are markers of Valine Catabolism
Definition
Methylmalonate, Propionate, Alpha-Ketoisovalerate
Term
What organic acid is a marker of Leucine Catabolism
Definition
Alpha-Ketoisocaproate
Term
What organic acids are markers of Isoleucine Catabolism
Definition
Alpha-Keto-Beta-Methylvalerate, Beta-Hydroxyisovalerate
Term
What organic acid is a marker of Tryptophan Catabolism
Definition
Xanthurenate
Term
What organic acid is a marker of Histidine Catabolism
Definition
Formiminoglutamate
Term
What are the B-complex vitamin markers in a organic acids profile
Definition
Alpha-ketoisovalerate, Alpha-ketoisocaproate. Alpha-keto-beta-methylvalerate, xanthurenate, Beta-Hydroxyisovalerate, Methlmalonate, Proprionate, Formiminoglutamate
Term
What is the intervention for elevated alpha-ketoisovalerate, alpha-ketoisocaproate, and alpha-keto-beta-methylvalerate
Definition
B-complex and Lipoic Acid
Term
What is the intervention for elevated xanthurenate
Definition
Vitamin B6
Term
What is the intervention for elevated beta-hydroxisovalerate
Definition
Biotin, Magnesium
Term
What is the intervention for elevated methylmalonate or Propionate
Definition
Vitamin B12
Term
What is the intervention for Formiminoglutamate
Definition
Folic Acid
Term
What urinary organic acids are used to determine neurotransmitter metabolism abnormalities
Definition
Vanilmandelate, Homovanillate, 5-Hydroxyindolacetate, Kynurenate, Quinolinate
Term
What metabolic pathways are affected by neurotransmitter abnormalities found in an organic acid profile
Definition
Norepinephrine, epinephrine catabolism, DOPA catabolism, Tyrosine and Tryptophan depended pathways, kynurenine pathway
Term
For Tyrosine dependent pathways affected by abnormalities diagnosed through the organic acids profile, what are the interventions
Definition
tyrosine, phenylalanine hydroxylase cofactors but not for patients taking MAO inhibitors
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