Shared Flashcard Set

Details

Nutritional Disorders
Final Exam for General Pathology
129
Other
Graduate
12/05/2010

Additional Other Flashcards

 


 

Cards

Term
Protein-calorie malnutrition (def)
Definition
Malnutrition resulting from inadequate protein, carbohydrates and lipids
Term
Protein-calorie malnutrition may affect how much precent of children in developing countries?
Definition
25%
Term
Protein-calorie malnutrition- causes?
Definition
Unavailable food supply
Disease preventing intestinal absorption
Term
Protein-calorie malnutrition
- maramus (def)
Definition
a deficiency of calories from all sources
Term
Protein-calorie malnutrition
- kwashiorkor (def)
Definition
malnutrition in children due to a lack of protein in a diet high in carbs
Term
Which Protein-calorie malnutrition has more severe problems - marasmus or kwashiorkor?
Definition
Kwashiorkor
Term
Protein-calorie malnutrition
-- under nutrition (description)
Definition
Not as severe as Maramus/ Kwashiorkor
More common than the above two
Not as well defined (variable manifestations)
Term
Five conditions found in Marasmus AND Kwashiorkor
Definition

(Mnemonic: Both Mara and Kwashi can't Waa-gi)

1) Growth failure

2) Decreased body weight (60% in M; 60- 80% in K)

3) Protuberant abdomen

4) Anemia

5) impaired immune responses - infections

Term
Protein-calorie malnutrition
- Marasmus -subcut. fat?
Definition
Diminished
Term
Protein-calorie malnutrition
- Marasmus - intelligence?
Definition
Alert/ questionable
Term
Protein-calorie malnutrition
- Marasmus - muscle?
Definition
Wasting
Term
Protein-calorie malnutrition
- Marasmus - skin?
Definition
Wrinkled skin of the face
Term
Protein-calorie malnutrition
- Marasmus - serum albumen?
Definition
Normal
Term
Protein-calorie malnutrition
- Kwashiorkor - subcut. fat?
Definition
Normal
Term
Protein-calorie malnutrition
- Kwashiorkor - intelligence?
Definition
Apathy/ mental retardation
Term
Protein-calorie malnutrition
- Kwashiorkor - edema?
Definition
Severe
Term
Protein-calorie malnutrition
- Kwashiorkor - liver?
Definition
hepatomegaly/ fatty liver
Term
Protein-calorie malnutrition
- Kwashiorkor - skin/ hair?
Definition
Dermatoses, hair color changes
Term
Protein-calorie malnutrition - Kwashiorkor - serum albumen?
Definition

Low

 

TEST QUESTION -

"Severe edema occurs in Kwashiorkor and not in Marasmus. This is consistent with which of the following features of Kwashiorkor? Low serum albumin."

Term
Protein-calorie malnutrition
-NOMA- what is it?
Definition
Oral condition in which there is severe destruction of the oral and facial tissue
Term
Protein-calorie malnutrition
-NOMA - what causes it?
Definition
Oral microflora and one oral disease (like rubella/measles) that appear to cause necrosis in malnutrioned kids
Term
Sialadenosis - Nutritional etiology of it? (4)
Definition

Mnemonic (Etiology of Sia-La is GA-BA)

General Malnutrion

Alcoholism

Anorexia

Bulimia

Term
Anorexia Nervosa
- def?
Definition
Self induced starvation resulting in marked weight loss
Term
Anorexia Nervosa
-clinical findings are similar to?
Definition
Severe protein/ calorie malnutrition
Term
Anorexia Nervosa
- Effects?
Definition
Endocrine (amenorrhea, low thyroid horm.)
Heart (cardiac arrhythmia, sudden death)
Term
Bulimia
- definition?
Definition
Patient binges on food and induces vomiting
Term
Bulimia
- oral manifestation?
Definition
LINGUAL erosion of teeth that is GENERALIZED
Term
Vitamin A - function (3)
Definition

Mnemonics: the 3 E's: eyes, epithelial cells, enhancement


1) maintaining normal vision in reduced light

2) potentiating the differentiation of specialized epithelial cells - mainly mucous secreting cells

3) enhancing immunity to infections

Term
Vitamin A - 2 sources?
Definition
1) Leafy, green veggies 2) fish livers
Term
Vitamin A deficiency - aka?
Definition
Avitaminosis A
Term
Vitamin A deficiency - 4 manifesations?
Definition
1) Impaired vision particularly in reduced light 2) Xeropthalmia 3) Squamous metaplasia and hyperkeratosis 4) Immune def.
Term
Vitamin A deficiency - xerophthalmia (def)
Definition

Dryness of the conjuctivae

build up of keratin debris

erosion of the corneal surface

destruction of the cornea

blindness

Term
Vitamin A Toxicity - aka?
Definition
Hypervitaminosis A
Term
Vitamin A Toxicity - Acute (4) manifestations
Definition

(Mnemonic: HPVs)

Headache

Papilledema (change in eye exam)

Vomiting

Stupor

Term
Vitamin A Toxicity - chronic (6) manifestations
Definition

Weight loss

Nausea

Vomiting

Dry mouth

 

Bone and joint pain

Hepatomegaly

Term
Vitamin B deficiencies - Affects 4 types of people?
Definition

Alcoholics

Persons with poor overall nutrition

Special diets (like lack of Vit B12)

People w/ intestinal absorption problems

Term

Vitamin B deficiencies -- deficiency of B1 -- aka?

- causes what disease?

Definition
Thiamin (B1) deficiency - BERI BERI
Term
Vitamin B deficiencies -- deficiency of B1 - symptoms?
Definition

Polyneuropathy

Edema

Cardiac failure

Weight loss/ muscle

wasting

uncontrolled vascular dilatation

Term
Vitamin B deficiencies -- deficiency of B1 - diagnosis?
Definition
Response to the administration of Thiamin
Term
Who is susceptible to deficiency of B1?
Definition

Alcoholics

Special diets

Debilitating diseases

Malabsorption diseases

Term
Oral manifestations in B1 deficiency?
Definition

NONE

(B2, B3, B6, B12 => all result in oral mucosa atrophy)

Term
B2 deficiency -
Aka?
Definition
Riboflavin B2 deficiency
Term
B2 deficiency - 4 manifestations?
Definition

Angular cheilitis (Cheilosis)

Dermatitis

Smooth, magenta tongue

Corneal damage/ photophobia

Term
B2 deficiency -
People susceptible to it?
Definition
Alcoholics
Debilitatin diseases
Malabsorption diseases
Dietary issues
Term
B3 deficiency - aka?
Definition
Niacin Deficiency - PELLAGRA
Term
B3 deficiency - manifestations
Definition

The FOUR D's for PELLAGRA!

Dermatitis w/ pig + depigment.

Diarrhea

Dementia

Death

and, Mucosal atrophy (oral+ genital)

Term
Oral manifestation of Pellagra
Definition
Glossitis
Term
B3 deficiency - susceptible?
Definition
Special diets Malabsorption diseases Alcoholics Debilitating diseases
Term
B6 deficiency - aka?
Definition
Pyridoxine (B6) deficiency
Term
B6 deficiency - 3 manifestations?
Definition

CNS disorders (seizures) Similar to other B vit def.

 

Pyridoxine-responsive anemia (hypochromic and microcytic) 

 

iron def. anemia

Term
B6 deficiency - associated w/ which medications?
Definition
Isoniazid (for Tb) Cycloserine Penicillamine
Term
B6 deficiency -susceptible?
Definition
Alcoholics
Term
Vitamin B12 deficiency - cause of?
Definition
Pernicious Anemia: poor absorption of vitamin B12
Term
Vitamin B12 deficiency - caused by 4 things?
Definition

1) Autoimmune destruction of parietal cells of the stomach - lack of secretion of intrinsic factor in the stomach prevents absorption of vitamin B12 in the ileum

2) Gastro-intestinal bipass surgery

3) Chronic gastritis

4) Vegetarian diets

Term
2 causes of deficiency in Folic Acid
Definition
1) Pregnancy increases the requirement for folic acid 2) malabsorption diseases
Term
Vitamin B12 and folic acid deficiency - two anemias?
Definition

Megaloblastic anemia


(weakness, malaise, shortness of breath, glossitis and angular cheilitis, spoon shaped fingernails)

 

Pernicious Anemia (degeneration of the spinal cord)

 

Test question: In pern anemia, NO RESPONSE to dietry inc in the deficient nutrient.

Term
Signs and symptoms of anemia?
Definition
Weakness Malaise Shortness of breath Glossitis and angular cheilitis Spoon shaped fingernails
Term
Vitamin C deficiency - what is missing?
Definition
Ascorbic acid
Term
Vitamin C deficiency - functions of ascorbic acid?
Definition
1) collagen formation/ wound healing 2) augmentation of absorption of iron 3) Biosynthesis of neurotransmitters 4) immune responses
Term
Vitamin C deficiency -susceptible?
Definition
Insufficient intake of vit C Alcoholics Oral contraceptives
Term
Disease associated w/ Vitamin C deficiency
Definition
Scurvy
Term
6 conditions associated with scurvy
Definition

Subperiosteal hemorrhages

Purpura (petechiae, echymoses)

Swollen + bleeding gums

Alveolar bone resorption

Poor wound healing

Anemia due to impaired iron absorption

Term
Child condition associated with scurvy
Definition
Growth failure
Term
Along with seeing petechiae and ging. erthymia seen in scurvy, what other disease can this be found in (in which was discussed)?
Definition
Thrombocytopenia
Term
Vitamin D deficiency - function of vit D?
Definition
Promotes calcium and phosphate absorption from the small intestine
Term
Three things that can cause a Vitamin D deficiency?
Definition

Insufficient dietary intake

Insufficient production in the skin due to limited sun exposure

Malabsorption diseases, abnormal conversion to active metabolites (liver disease and chronic renal failure)

Term
Vitamin D deficiency (Hypocalcemia) in children?
Definition
RICKETS
Term
Vitamin D deficiency (Hypocalcemia) in adults?
Definition
OSTEOMALACIA
Term
Vitamin D deficiency (Hypocalcemia) Manifestations of Rickets
Definition

Deformation of the skeleton

Frontal bossing

Squared appearance of the head

Anterior protrusion of the sternum

Bowing of the legs

Term
Vitamin D deficiency (Hypocalcemia) Manifestations of Osteomalacia
Definition

Disturbance in new bone formation: fractures

 

Osteopenia - loss of skeletal mass

Term
Overconsumption of Vit D is aka?
Definition
Hypervitaminosis D
Term
Overconsumption of Vit D - 3 manifestations?
Definition

Hypercalcemia - weakness and headaches

Nephrolithiasis (kidney stones)

Ectopic calcification

Term
Vitamin E
- function?
Definition
Protects membrane and phospholipids against lipid peroxidation by free radicals
Term
Vitamin E
- associated syndrome?
Definition
NONE- no clearly defined syndrome associated w/ Vit E deficiency
Term
Vitamin K deficiency - sources of Vitamin K?
Definition
Plants and synthesis by normal intestinal bacteria
Term

Vitamin K deficiency-

Vit K is necessary for the activity of:

Definition

Necessary for activity of prothombin

factor VII

factor IX

Factor X


Test question: Which of the following is the most likely vit def that would hemorrhagic disease in a newborn infant? VITAMIN K

Term
Vitamin K deficiency
Deficiency can lead to?
Definition
Coagulation disorder (bleeding)
Term
What can cause Vitamin K deficiency?
Definition
1) Malabsorption diseases 2) Destruction of the intestinal flora by antibiotics 3) Newborn infants do not have an established intestinal flora
Term
Which drug affects Vit K?
Definition
Comadin (warfin)
Term
In general, purpose of minerals in our body?
Definition
Components of enzymes and cofactors for metabolic functions
Term
Most common cause of anemia?
Definition
Iron deficiency
Term
Functions of iron?
Definition
Production of hemoglobin
Co-factor for intracellular enzymes
Term
Causes for iron deficiency?
Definition

=Dietary intake dificiency

=Excessive loss

(hemorrhage, menstruation, pregnancy, lactation)

Term
Manifestations of Iron Deficiency Anemia
Definition

Weakness

Malaise

Shortness of breath

Glossitis and angular cheilitis

Spoon- shaped fingernails

Plummer-Vinson syndrome

Term
Plummer Vinson Syndrome?
Definition

1) iron def anemia

2) atrophy of the upper alimentary tract

3) dysphagia

4) increased risk of Oral Cancer

Term
Iodine deficiency - leads to what?
Definition
Endemic goiter (thyroid enlargement)
Term
What leads to thyroid enlargement?
Definition
Results from impaired synthesis of thyroid hormone caused by dietary iodine deficiency
Term
Thryoid enlargement is seen in what geographical area?
Definition
Far from salt water and where no seafood is avaiable
Term
Why is iodine added to salt?
Definition
As a effective PREVENTIVE measure, not effective as TREATMENT.
Term
How do you treat Endemic goiter?
Definition
Surgery and thyroid hormone replacement.
Term
Endemic goiter - Lack of iodine leads to?
Definition
DEC synthesis of thyroid hormone (TH)
Term
Endemic goiter
- dec synthesis of thyroid hormone results in?
Definition
Compensatory inc in TSH
Term
Endemic goiter
- compensatory inc in TSH leads to?
Definition
HYPERPLASIA, HYPERTROPHY of the FOLLICULAR cells of the THYROID
Term
In the US, the prevalence of overweight and obesity has _____ for both adults and children
Definition
INC
Term
According to the NHANES survey, from (1976 to 1980) to (2003 to 2004), obesity in adults inc from what to what
Definition
15 to 30%
Term
According to the NHANES survey, from (1976-1980) to (2003 to 2004), obesity in children 6-11 yrs inc from what to what
Definition
6.5 to 18.8%
Term
According to the NHANES survey, from (1976-1980) to (2003 to 2004), obesity in children 12-19 yrs inc from what to what
Definition
5.0 to 17.4 %
Term
Obesity - def?
Definition
An increase in adipose tissue beyond the physical requirements of the body
Term
Obesity - results from?
Definition
A chronic excess of caloric intake relative to the expenditure of energy
Term
Obesity -maintaining a constant weight requires?
Definition
A balance between caloric intake and energy use
Term
BMI is based on?
Definition
Weight and height (kg/ sq m)
Term
Overweight BMI
Definition
25 to 29.9
Term
Obese BMI
Definition
30 or higher
Term
Measurements of Obesity?
Definition

Skinfold thickness

Waist circumference

Waist to hip circumeference rations

Ultrasound, CT, MRI

 

(Skin, waist waist)

Term
3 causes of Obesity
Definition

Sedentary lifestyle

 

Improved socioeconomic conditions

 

Avaiability of processed, high calorie foods and soft drinks

Term
Distribution of stored fat: - high risk for associated diseases?
Definition
Central/ visceral obesity (fat accumulates in the trunk and ab cavity)
Term
Distribution of stored fat: lower risk for associated diseases?
Definition
Diffuse fat accumulation in subcutaneous tissue
Term
Pathogenesis of Obesity (3)
Definition

Intake/expenditure are finely regulated by neural and hormonal mechanisms

 

LIPOSTAT

 

Hereditary vs environmental factors

Term
Pathogenesis of Obesity: lipostat?
Definition
The internal mechanism or "set-point" that regulates food intake and energy expenditure
Term

Pathogenesis of Obesity:

Hereditary factors vs. env factors

2 examples

Definition

Asians and indians in the US - (inc obesity compared w/ counterparts in ASIA and INDIA)

Twins reared apart show striking concordance in adiposity

 

Test quest: which of the following support the genetic component of multifactorial inheritance of obesity?

1- twins raised apart show striking similarity related to obesity

2- genes associated with obesity have been identified in animal models

Term
Obesity: Humoral signals generated (3)
Definition

Leptin

Insulin

Ghrelin

Term
Obesity: Humoral signals generated - LEPTIN
Definition

adipose tissue

 

(L for lipid... adipose!)

Term

Obesity: Humoral signals generated

INSULIN comes from?

Definition
Pancreas
Term
Obesity: Humoral signals generated - GHRELIN
Definition

stomach

(the stromach GRowls)

Term
Obesity: Humoral signals generated - what integrates the humoral signals?
Definition
HYPOTHALAMUS
Term
Obesity: Humoral signals generated - Signals from the hypothalamus result in?
Definition
Feeding behavior and energy expenditure
Term
Obesity: Humoral signals generated - what protein is coded by OB gene?
Definition
LEPTIN
Term
Obesity: Humoral signals generated - What is the anti-obesity factor?
Definition
LEPTIN
Term
Obesity: Humoral signals generated - what does protein leptin (encoded by OB gene) do?
Definition

Transmits signals that:

 

DEC appetite

INC energy use

directly INC glucose metabolism

Term
Obesity: Humoral signals generated - A mutation in OB gene in mice led to?
Definition

disturbance in the

ability to regulate caloric intake and metabolism

Term
Obesity: Humoral signals generated - Obesity occurs in the animal model with mutation of the ___ gene
Definition
TUB
Term
In lab animals, _____ receptor expressed in fat cells lining the _______ tract regulates thermogenesis and lipolysis
Definition

Beta 3 adrenergic receptor

gastrointestinal

Term
Pharmacological studies suggest a role for ___ ____ ____ in the regulation of body weight
Definition
central serotonergic systems
Term
10 results of obesity
Definition

Being fat def have: hypertension, dyslipidemia, diabetes (type 2), coronary heart disease, stroke, some cancers

 

Others need to know: ( mnemonic: GO get some action!) Gallbladder disease, osteoarthritis, gout, sleep apnea

Term
Relationship between Vitamin A and β-carotene
Definition
One molecule of β-carotene can be cleaved by a specific intestinal enzyme into two molecules of vitamin A.
Term
Relationship between Vitamin A and retinoids
Definition

Retinoid = a class of chemical compounds that are related chemically to vitamin A

 

Term
Which nutritional def. cause angular cheilitis?
Definition

(mnemonic: Aunt Cheili says: Be 12 and Be 2 Funny And Ironic)

 

Vit B2

Vit B12

Folic acid

Iron

Term

Intestinal malabsorption syndromes interefere with the absorption of some vitamins. Which of the following would NOT be expected to be a def. related to an intestinal malabsorption syndrome?


Vit C

Thiamin

Riboflavin

Vit D

 Vit K

Definition

VITAMIN C

- only DIET deficiency


Note: all vitamin B have intestinal absorption

Term
What would be seen in Vitamin B12 deficiency but not folic acid deficiency?
Definition

Abnormal gait (walking) and impaired reflexes

 

Would see megaloblastic anemia

Generalized weakness and malaise

Angular cheilitis, and depap erth tongue

spoon shaped fingers

IN BOTH DEFICIENCIES

Supporting users have an ad free experience!