Question 1

Antibodies facilitate the _______ of complement to the membrane of a pathogenic organism.

Accepted Answer

A) activation 
B) fixation 
C) cloning 
D) None of the choices are correct. 
A) activation 
B) fixation 
C) cloning 
D) None of the choices are correct.

Question 2

T lymphocytes in an adult mainly come from

Accepted Answer

A) the thymus. 
B) bone marrow. 
C) lymph nodes and spleen. 
D) the liver. 
A) the thymus. 
B) bone marrow. 
C) lymph nodes and spleen. 
D) the liver.

Question 3

The binding of toll-like receptors on dendritic cells and macrophages to LPS from bacteria stimulates the secretion of

Accepted Answer

A) cytokines. 
B) complement. 
C) PAMPs. 
D) peptidoglycans. 
A) cytokines. 
B) complement. 
C) PAMPs. 
D) peptidoglycans.

Question 4

Which of the following may explain why self-tolerance may fail?

Accepted Answer

A) A non-circulating antigen becomes exposed to the immune system. 
B) Antibodies directed against other antibodies are produced. 
C) Antibodies produced against foreign antigens cross-react with self-antigens. 
D) All of the choices are correct. 
A) A non-circulating antigen becomes exposed to the immune system. 
B) Antibodies directed against other antibodies are produced. 
C) Antibodies produced against foreign antigens cross-react with self-antigens. 
D) All of the choices are correct.

Question 5

The spleen is a secondary lymphoid organ that filters lymph from lymphatic vessels.

Accepted Answer

A) True 
 B)False

Question 6

Increasing interleuken-3 levels would limit the development of mast cells.

Accepted Answer

A) True 
 B)False

Question 7

What is the function of granzymes?

Accepted Answer

A) polymerize cell membranes to form a large pore 
B) activate caspases that destroy the cell's DNA 
C) bind to the plasma membrane of the host cell 
D) activate complement 
A) polymerize cell membranes to form a large pore 
B) activate caspases that destroy the cell's DNA 
C) bind to the plasma membrane of the host cell 
D) activate complement

Question 8

Antibody diversity can be explained by

Accepted Answer

A) clonal production of plasma cells. 
B) antigen-dependent diversification. 
C) over 100 million genes encoding for antibodies. 
D) All of the choices are correct. 
A) clonal production of plasma cells. 
B) antigen-dependent diversification. 
C) over 100 million genes encoding for antibodies. 
D) All of the choices are correct.

Question 9

What molecule is used to produce lymphokine-activated killer cells to treat some types of cancer?

Accepted Answer

A) interleukin-2 
B) interleukin-1 
C) interleukin-4 
D) G-CSF 
A) interleukin-2 
B) interleukin-1 
C) interleukin-4 
D) G-CSF

Question 10

Allergic reactions could be minimized if the synthesis of immunoglobulin _____________ was blocked.

Accepted Answer

A) IgA 
B) IgM 
C) IgE 
D) IgD 
A) IgA 
B) IgM 
C) IgE 
D) IgD

Question 11

Autoimmune diseases include Grave's disease,myasthenia gravis,and rheumatic fever.

Accepted Answer

A) True 
 B)False

Question 12

Antigens

Accepted Answer

A) are large,complex molecules. 
B) are usually small molecules. 
C) normally have a simple structure. 
D) are often normally found in body fluids. 
A) are large,complex molecules. 
B) are usually small molecules. 
C) normally have a simple structure. 
D) are often normally found in body fluids.

Question 13

The ___________ immune response occurs faster,is stronger,and lasts longer than the __________ immune response.

Accepted Answer

A) secondary,primary 
B) secondary,tertiary 
C) tertiary,primary 
D) primary,secondary 
A) secondary,primary 
B) secondary,tertiary 
C) tertiary,primary 
D) primary,secondary

Question 14

What is the process of drawing leukocytes to the site of an infection?

Accepted Answer

A) chemotaxis 
B) diapedesis 
C) extravasation 
D) opsonization 
A) chemotaxis 
B) diapedesis 
C) extravasation 
D) opsonization

Question 15

Which of the following involves delayed hypersensitivity?

Accepted Answer

A) contact dermatitis 
B) IgE secretion 
C) hay fever 
D) All of the choices are correct. 
A) contact dermatitis 
B) IgE secretion 
C) hay fever 
D) All of the choices are correct.

Question 16

Mutation in complement protein number 1 would directly

Accepted Answer

A) prevent complement recognition. 
B) prevent complement fixation. 
C) prevent opsonization. 
D) prevent complement activation. 
A) prevent complement recognition. 
B) prevent complement fixation. 
C) prevent opsonization. 
D) prevent complement activation.

Question 17

Which cell combats most bacterial infections?

Accepted Answer

A) B lymphocyte 
B) T lymphocyte 
A) B lymphocyte 
B) T lymphocyte

Question 18

The activation of resting T lymphocytes is prevented by

Accepted Answer

A) inhibiting interleuken-1 secretion by macrophages. 
B) inhibiting interleuken-4 by helper T-lymphocytes. 
C) stimulating secretion of interferons by T-lymphocytes. 
D) decreasing the secretion of tumor necrosis factors by macrophages. 
A) inhibiting interleuken-1 secretion by macrophages. 
B) inhibiting interleuken-4 by helper T-lymphocytes. 
C) stimulating secretion of interferons by T-lymphocytes. 
D) decreasing the secretion of tumor necrosis factors by macrophages.

Question 19

Antibodies against _________ are found in people with systemic lupus erythematosus.

Accepted Answer

A) DNA 
B) lipids 
C) red blood cells 
D) chromatin IgM 
A) DNA 
B) lipids 
C) red blood cells 
D) chromatin IgM

Question 20

________ tolerance involves complex processes involving lymphocytes outside the thymus and bone marrow.

Accepted Answer

A) Central 
B) Deletion 
C) Peripheral 
D) Antigen 
A) Central 
B) Deletion 
C) Peripheral 
D) Antigen

Antibodies facilitate the _______ of complement to the membrane of a pathogenic organism.

T lymphocytes in an adult mainly come from

The binding of toll-like receptors on dendritic cells and macrophages to LPS from bacteria stimulates the secretion of

Which of the following may explain why self-tolerance may fail?

The spleen is a secondary lymphoid organ that filters lymph from lymphatic vessels.

Increasing interleuken-3 levels would limit the development of mast cells.

What is the function of granzymes?

Antibody diversity can be explained by

What molecule is used to produce lymphokine-activated killer cells to treat some types of cancer?

Allergic reactions could be minimized if the synthesis of immunoglobulin _____________ was blocked.

Autoimmune diseases include Grave's disease,myasthenia gravis,and rheumatic fever.

Antigens

The _ immune response occurs faster,is stronger,and lasts longer than the immune response.

What is the process of drawing leukocytes to the site of an infection?

Which of the following involves delayed hypersensitivity?

Mutation in complement protein number 1 would directly

Which cell combats most bacterial infections?

The activation of resting T lymphocytes is prevented by

Antibodies against _________ are found in people with systemic lupus erythematosus.

________ tolerance involves complex processes involving lymphocytes outside the thymus and bone marrow.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

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Exam 15: The Immune System

Antibodies facilitate the _______ of complement to the membrane of a pathogenic organism.

T lymphocytes in an adult mainly come from

The binding of toll-like receptors on dendritic cells and macrophages to LPS from bacteria stimulates the secretion of

Which of the following may explain why self-tolerance may fail?

The spleen is a secondary lymphoid organ that filters lymph from lymphatic vessels.

Increasing interleuken-3 levels would limit the development of mast cells.

What is the function of granzymes?

Antibody diversity can be explained by

What molecule is used to produce lymphokine-activated killer cells to treat some types of cancer?

Allergic reactions could be minimized if the synthesis of immunoglobulin _____________ was blocked.

Autoimmune diseases include Grave's disease,myasthenia gravis,and rheumatic fever.

Antigens

The ___________ immune response occurs faster,is stronger,and lasts longer than the __________ immune response.

What is the process of drawing leukocytes to the site of an infection?

Which of the following involves delayed hypersensitivity?

Mutation in complement protein number 1 would directly

Which cell combats most bacterial infections?

The activation of resting T lymphocytes is prevented by

Antibodies against _________ are found in people with systemic lupus erythematosus.

________ tolerance involves complex processes involving lymphocytes outside the thymus and bone marrow.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

The _ immune response occurs faster,is stronger,and lasts longer than the immune response.