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Chapter 2
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139
Physiology
Undergraduate 2
01/13/2009

Additional Physiology Flashcards

 


 

Cards

Term

 

 

 

Brain Barrier Substances Transported

Definition

Glucose, water,

 

selected amino acid

 

Lipid soluble substances - alcohol, CO2, nicotine, cocaine, anesthetics, L-dopa, Antihistamines, steroids

Term

Brain Barrier Substances NOT transported

 

 

 

 

 

Definition
Plasma Proteins, Protein Hormones, Urea, Creatinine, Ions, Antibiotics
Term
Hemostasis
Definition
Clotting
Term
Hemopoiesis
Definition

Blood Cell Formation

 

made in bone marrow

Term
Homeostasis
Definition
Maintenance of Internal Constancy
Term
Mitochondria
Definition
Produces 90% of ATP (Adenosine Triphosphate)
Term
Ions
Definition

(In solution blood are called electrolytes)

 

 

Term
Atoms
Definition

Cations (+) positive charge

 

Anions (-) negative charge

 

 

Term

pH

Definition

1- Acid (Acitosis)

7- Normal (7.4 blood)

14 - Alkaline (Alkolosis)

 

6.8 - death

7.6 - death

Term
Lipids (fats)
Definition

Neutral Fats - Triglycerids

 

Lipoproteins - Carriers for cholesterol

HDL - good

LDL - bad

Term
Phospholipids
Definition
Cell membranes repels water
Term
Proteins
Definition

20 amino Acids

Amine Group NH2

 

Every protein is composed of Amino Acid

 

Amino Acids are linked by Peptide Bonds

Term
Dehydration Reaction
Definition

Remove H2O

synthesis

Term
Hydrolysis Reaction
Definition

Add H2O

Catabolic process

Term
Isoenzymes
Definition
Same enzyme and function but exsisting in different tissue
Term

LDH2

 

Latate Dehydrogenase

Definition

KIDNEY

Term

LDH1

 

Lactate Dehydrogenase

Definition

HEART

 

 

Term

LDH3

 

Lactate Dehyrogenase

Definition
LUNGS
Term

LDH4

 

Lactate Dehydrogenase

Definition
LIVER
Term
Enzymes are used up in a Reaction?
Definition
False
Term
Enzymes function by lowering the activation energy of the reaction?
Definition
True
Term
Steriods (cholesterol)
Definition

Testosterone - Anabolic

(builds muscle)

Estrogen

Proesterm

Cortison - antiflammitory

supress the immune system

Term
Prostaglandins
Definition

About 20 Known

 

Aborting Agent
(causes contractions)

 

Also puts horses in the mood!! :)

Term

Biological Activity

 

4 Different Structures

Definition

1. Primary Structure

2. Secondary Structure

3.Tertiary Structure

4. Qucturnary Structure

Term
Primary Structure
Definition

Amino Acid Sequence

 

Oxytocin-9AA/Inherited

Term
Secondary Structure
Definition
Helix/Pleated Sheet
Term
Tertiary Structure
Definition
3D Structure - Binding sites
Term
Qucturnary Structure
Definition
Chains of proteins  forming
Term
Denature Proteins
Definition

Too Hot

pH Imbalance

Term
Enzymes
Definition

All enzymes are proteins

 

Enzymes - Biological Catalyst = Increase rate of chemical reaction

 

Every reaction in your body needs a specific enzyme

 

Term
Substrate
Definition

Can be a protein, fat, or carbohydrate.

 

Enzymes turns substrate into product.

Term
Cofactor
Definition

Active Enzymes

 

Cofactors are inorganic calcuim, zinc,magnesium

Term
Coenzymes
Definition

Active enzymes

 

Organinc

Term

Inhibitors

 

2 KINDS

 

Turn Enzymes Off

Definition

1. Competitive

competes for active binding site

 

2.Allosteric

creates alternate binding site

Term
All enzymes are proteins?
Definition
True
Term

LDH5

 

Lactate Dehydrogenase

Definition
Skeletal Muscle
Term

Carbohydrates

"Sugars"

 

Definition

Monosaccharides

Disaccharides

Polysaccharides

Term
Monosaccharides
Definition
glucose, fructose, galactose
Term
Disaccharides
Definition

Sucrose = glucose + fructose

Table Sugar

 

Lactose = glucose + galactose

 

Maltose = glucose +glucose

Term
Polysaccharides
Definition

Glycogen

 

Long chain of glucose linked togther

Term
Transferrin
Definition
Protein that transports Iron
Term
Solvent
Definition
Water Concentration
Term
Solute
Definition
Stuff mixed in solvent
Term

Endocytosis

 

(Large Molocule)

Definition

Phagocytosis - Solid (cell eating)

 

Pinocytosis - Fluid (cell drinking)

Term
Function of the Blood
Definition

Oxygen and carbondioxide transport

(5 milllion per cc)

 

Nutrient and waste transport

 

Tempature regulation

 

Maintains Osmotic Pressure

 

Acid/Base Balance

 

Clotting (hemostatsis) mechanism

 

Immune System

Term
Blood Brain Barrier
Definition

Highly Selective

 

Endothelical Membrane (includes brain and spinal cord)

 

Does NOT include Hypothalamus, pituitary gland, pineal gland, vomiting center (Blood get get to these structures)

Term
Antigen
Definition

Anything that stimulates your immune system.

 

Stimulates Antibodies.

 

Any foreign protein

Bacteria - e coli

Pollens

Term
IgG
Definition

Gamma Globulin

 

75%

 

Contains the most antibodies

Term
IgA
Definition
Secrections - colastrom milk, tears, nasal secrections, salvia
Term
IgE
Definition
Mast Cells, Allergy
Term
IgD
Definition
Surfaces Receptors
Term
IgM
Definition

1st to appear (develops the fastest)

 

Surface receptor on T-cell

Term
HbF
Definition
Fetal Hemoglobin
Term
HbA
Definition
Adult Hemoglobin
Term
Hemoglobin
Definition

Binds Oxygen recycled and iron 80%

 

Sickle Cell - Bad Hemoglobin

Term
Hydrophilic
Definition
Attracts water
Term
MCHI
Definition

On all tissue except Red Blood Cells

Term
Rough Ribosomes
Definition

Assemble Amino Acids

 

Primary Structure

Term
Auto Immunity Occurs When?
Definition

1. T-Cells react with hidden tissues.

 

2. MHCI proteins become defective.

 

3. Body tissues "cross reaction" with old antigens and stimulate antibody production.

Term
Allergens/ Antigens
Definition
  • Chemicals
  • Pollens/ Molds
  • Animal/ Hair/ Dust Mites
  • Medication
  • Venoms
  • Food
Term
Lyposome
Definition
Contains many digestive enzymes
Term
Metabolic Pathway
Definition

Tyrosine (AA) - Melania Pigment

 (determines eyecolor)

Term
Inheriting a defective enzyme pathway can result in a medical disease?
Definition
True
Term
The production of specific proteins (enzymes) is inherited?
Definition
True
Term
Creatine Phosphokinase (CPK)
Definition

CPK 1 (mm) Skeletal Muscle

 

CPK 2 (mb) Cardiac Muscle

 

CPK 3 (bb) Brain

Term
A chemical reaction can Proceed without an enzyme?
Definition

True

Term
An enzyme has an optimum pH and Tempature?
Definition
True
Term
Enzymes are substrate specific?
Definition
True
Term

H+ - Hydrogen

 

(acid/ base balance)

Definition

Excess hydrogen will cause Acidosis

 

Too little will cause Alkalosis

Term

K+ - Potassium

 

(Kalemia)

Definition

Major intracellular Ion

(inside the cell)

 

Hyper kalemia - Excess

(can stop the heart)

Term
HCO3 - Bicarbonate
Definition
Major buffer in the body
Term
Na+ - Sodium
Definition

Major extracellular ion

(outside the cell)

Term
Surface Tension
Definition
Water has a high surface tention because of hydrogen bonding ( cohesion)
Term
Dialysis
Definition

Selective diffusion

(cleanse the blood)

Term
Osmosis
Definition

The movement of the solvent through a semi- permiable membrane

Solvent in most cases is H20

Term
Diffusion
Definition
The random movement of molecules due to their kinetic energy.
Term
Receptor Mediated Endocytosis
Definition

What Moves? Ligand (cholesterol)

 

Membrane Needed? Yes

 

What Direction? High to Low

 

Carrier needed? Yes (receptor needed)

Active or passive? Active

Term
Carrier Mediated Transport
Definition

What moves? Solute

 

Membrane needed? Yes

 

What direction? High to Low

 

Carrier needed? Yes

Active or passive? Passive

Term
Gradient Driven Co-transport
Definition

What moves? Sodium

 

Membrane Needed? Yes

 

What direction? Glucose Low to high

 

Carrier needed? Yes

Active or passive? Active

Term
Osmosis
Definition

What moves? Solvent

 

Membrane needed? Yes

 

What direction? Water is moving to a higher concentration

Carrier needed? No

Active or passive? Active

Term
Active channel Transport
Definition

What moves? Ions

 

Membrane needed? Yes

 

What direction? Low to high

 

Carrier needed? Yes

Active or passive? Active

Term
Diffusion
Definition

What moves? Solute

 

Memebrane needed? No

 

What direction? High to low

 

Carrier needed? No

Active or passive? Passive

Term
Anemia
Definition
a deficiency of red blood cells, or hemoglobin, or iron, or copper or some B-vitamins
Term
Hematocrit
Definition
Packed cell volume in a capillary tube after centrifuging.
Term
Serum
Definition
Plasma with the clotting proteins removed; fluid after blood clots.
Term
Soluble Proteins
Definition
  • Albumin
  • Immune globulins made from b-cells
  • Metabolic enzymes
  • Clotting factors
  • protein hormones
Term

Blood Components

Plasma :

 

(soluble portion of the blood)

Definition
  • water, glucose, amino acids, lipids, etc.
  • electrolytes Na+, K+, Mg++, Ca++, Cl-      (0.9% saline solution)
  • soluble proteins
Term

Blood Components

 

Formed Elements

Definition
  • Erythrocytes (RBC's) 5m/cc
  • Lewkocytes (WBC's) 7000/cc
  • Platelets (thrombocytes)

200,000/cc

(hemostasis) reaction

Term
Suppressor T-Cells
Definition
Suppress B-cell production and other T-cells; autoimmunity
Term
Helper T-Cells
Definition
Antigen presentation; produce a variety of cyokine proteins; stimulate B-cells
Term
Killer T-cells
Definition
Kills virus infected cells; cancer surveillance
Term
B-Cells
Definition

Cells secrete five classes if antibodies

  •  IgA
  • IgD
  • IgE
  • IgG
  • IgM
Term

Lymphocytes

 

made in bone marrow

goes to the thymus gland for processing

Definition
  • All take part in the most immune responses; antigen recognition; all form clone population
  • B-Cells
  • Killer Cells
  • Helper T-cells
  • Suppressor T-cells
Term
Basophil/Mast cells
Definition
  • Secrete Histamine
  • Promote allergy and inflammation
Term
Eosinophil
Definition
  • Allergic responses
  • internal parasites
Term
Neutrophil (immune cell)
Definition
  • Fast acting phagocyte
  • inflammatory response
  • not sustained
  • bacteria
Term
Macrophage (immune cell)
Definition

Characteristics

  • Phagocyte
  • nonspecific response
  • presented antigen to T-cells
Term
Perforin
Definition
Cytokine secreted by killer T-cells that forms channels (holes) in membrane of target cell
Term
Interlukin 3
Definition

Secreted by Helper T-cells

promotes growth of bone marrow stem cells

Term
Interleukin 2
Definition

Cytokine secreted by Helper T-cells; cause killer T-cells to multiply

Term

Interleukin 1

 

(secretes cytokines)

Definition

Secreted by macrophages; activates helper T-cells.

Fever

Term

Interferon

 

(cell that secretes cytokines)

Definition

Cytokines which specifically inhibits viruses; stimulates macrophages and killer T-cells

Term
Cytokines
Definition
A general term for proteins messangers that regulate the immune; secreted by various cell types.
Term
Histamine
Definition

Inflammatory mediator secreted by mast cells.

Local vasodilator, increased capillary permeability

Term
Complement
Definition
A group of plasma proteins which kill microbes directly and enhance inflammation. Activated by antibodies.
Term
Antibodies
Definition
Immunoglobulins secreted by plasma B-cells. Attacks the specific antigen stimulated their production
Term
Antigen Presentation
Definition
Primary Immune response 10 days
Term
Passive Immunity
Definition
  • Gamma Globulin
  • Colostrum Milk
Term
T-cells
Definition
  • Regulate B-cell activity
  • secrete cytokine
  • delayed hypersensitivity
  • tissue rejection
  • autoimmune disease
Term
B-cells
Definition

Specific antibody production

immune globulins

 

  • primary immune response
  • secondary immune response
Term
Active Immunity
Definition
  • B-Cells
  • T-Cells
Term
Specific Immune Response
Definition
  • Active Immunity
  • Passive Immunity
Term
Passive Immunity
Definition

Direct antibody transfer from another person

Term
Active Immunity
Definition
Specific antibodies produced by lymphocytes
Term
General Inflammatory Response
Definition
  • Fever
  • Hemostasis
  • Histamine release - local edema
  • phagocytic cells
  • interferons
  • activation of complement proteins in blood
Term
Non-Specific Immune Response
Definition

Skin, tears, saliva, urine, etc.

 

General Inflammatory response

 

allergy

Term
Agglutination
Definition

Transfusion reactions

 

(means to clump together)

Term
Opsonization
Definition
Enhanced phagocytosis
Term
How antibodies work
Definition
  • Neutralization
  • Agglutination
  • activation of the complement system
  • opsonization
  • stimulation of killer T-cells
Term
Golgi Complex
Definition

Transport Vesicles

matures and activates

moleocule also puts and address on it

Completed Protein

Term
Hydrophobic
Definition
Repels water
Term
MHC
Definition

Major Histocompatibility complex

  • Surface proteins
  • 4 genes on chromosome

#6 (A,B,C,D) 50 variations of each

Term
Body tissues that are "hidden" from immune system
Definition

they contain unrecognized proteins:

 

eye

thyroid

testis

Term
Smooth Endoplasmic Reticulum
Definition

CHO

Lipids

Enzymes Detoxify

Term
MHC II
Definition
are only on immune cells
Term
Tyrosine
Definition

Enzyme - L-Dopa -

Dopamine =decreased parkinson's

Increased schizophrenia

Norepi - Epi

 

Term
Metabolic Enzyme Pathway
Definition

Phenylalaine (amino acid) -Tyrosine - Tyrosinase -Dihydroxyphenylalaine- Melainn Pigment

 

 

Term

Tay- Sacks Disease

 

Metabolic Defect

Definition
lipid accumulation
Term

Lactose Interlerance

 

Metabolic Defect

Definition
Lactose not utilized
Term
Organelles
Definition
"Little organ"
Term
Nucelus
Definition

Protected by double wall membrane

 

DNA is in the nucleus

 

3 billion base pairs

Adimaine matches with thymine

Cytosine matches with guonine

Term
Gene
Definition
segment of DNA that codes for protein
Term
Highly Selective Endothelial Membrane
Definition
Includes the Brain and Spinal cord
Term
Blood Brain Barrier does NOT include
Definition
Hypothalamus, Pituitary, Pineal Gland, Vomiting Center
Term
Main Protein in the blood?
Definition

Albumin

 

Made by the liver

 

not enough cause the water to leak out of blood and it causes Edema

Term
Inflammatory Response
Definition

Mobile Leukocyes - neutrophils

 

Macrophages

 

Chemicals Mediators - prostaglandins (blood clotting)

 

Histamine

 

clotting proteins

 

complement proteins (C1-C9)

Term
Histamine
Definition

Increased Capillary Permeability

 

Vasodilator - decreased blood  pressure

Term

ATP

 

Adenosine Triphosphate

Definition
The universal engergy carrier for the cell.
Term

Specific Antigen Exposure

Definition

cause specific blood antibody to form

 

14 days to develop antibodies

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