Question 1

An inflammatory response is triggered when

Accepted Answer

A) red blood cells release pyrogens. 
B) T cells release interferon. 
C) mast cells release histamine and heparin. 
D) neutrophils phagocytize bacteria. 
E) blood flow to an area increases. 
A) red blood cells release pyrogens. 
B) T cells release interferon. 
C) mast cells release histamine and heparin. 
D) neutrophils phagocytize bacteria. 
E) blood flow to an area increases. C

Question 2

Lymph nodes do all of the following except

Accepted Answer

A) produce antibodies through B cells. 
B) monitor the contents of lymph. 
C) remove debris and pathogens from the lymph. 
D) accumulate cancer cells. 
E) remove excess nutrients from the lymph. 
A) produce antibodies through B cells. 
B) monitor the contents of lymph. 
C) remove debris and pathogens from the lymph. 
D) accumulate cancer cells. 
E) remove excess nutrients from the lymph. E

Question 3

The term immunological ________ refers to the ability to demonstrate an immune response upon exposure to an antigen.

Accepted Answer

A) determination 
B) readiness 
C) competence 
D) potency 
E) drive 
A) determination 
B) readiness 
C) competence 
D) potency 
E) drive C

Question 4

If the thymus shrank and stopped making thymosins,we would expect to see an immediate decrease in the number of

Accepted Answer

A) B lymphocytes. 
B) NK cells. 
C) T cells. 
D) neutrophils. 
E) red blood cells. 
A) B lymphocytes. 
B) NK cells. 
C) T cells. 
D) neutrophils. 
E) red blood cells.

Question 5

The body's innate defenses include all of the following except

Accepted Answer

A) the skin. 
B) complement. 
C) interferon. 
D) inflammation. 
E) antibodies. 
A) the skin. 
B) complement. 
C) interferon. 
D) inflammation. 
E) antibodies.

Question 6

Lymph nodes range in diameter from

Accepted Answer

A) 1 nm to 10 nm. 
B) 1 inch to 2 inches. 
C) 1 mm to 25 mm. 
D) 1 cm to 25 cm. 
E) 1 cm to 1 inch. 
A) 1 nm to 10 nm. 
B) 1 inch to 2 inches. 
C) 1 mm to 25 mm. 
D) 1 cm to 25 cm. 
E) 1 cm to 1 inch.

Question 7

Plasma contains ________ special proteins that form the complement system.

Accepted Answer

A) about 3 
B) exactly 10 
C) roughly 18 
D) exactly 25 
E) more than 30 
A) about 3 
B) exactly 10 
C) roughly 18 
D) exactly 25 
E) more than 30

Question 8

All of the following are true of the thymus gland except that it

Accepted Answer

A) activates B cells. 
B) reaches its greatest relative size during the second year of life. 
C) involutes after puberty. 
D) produces T cells. 
E) lies in the anterior mediastinum. 
A) activates B cells. 
B) reaches its greatest relative size during the second year of life. 
C) involutes after puberty. 
D) produces T cells. 
E) lies in the anterior mediastinum.

Question 9

Dividing lymphocytes can be found in the ________ of the lymphatic nodule.

Accepted Answer

A) sinus regions 
B) germinal center 
C) cortical layer 
D) capsular space 
E) stroma 
A) sinus regions 
B) germinal center 
C) cortical layer 
D) capsular space 
E) stroma

Question 10

Immunoglobulins that are found on the surface of B cells and that may activate antibody production are

Accepted Answer

A) IgA. 
B) IgD. 
C) IgE. 
D) IgG. 
E) IgM. 
A) IgA. 
B) IgD. 
C) IgE. 
D) IgG. 
E) IgM.

Question 11

The process by which soluble antigens combine with antibodies to form insoluble immune complexes is called

Accepted Answer

A) opsonization. 
B) activation. 
C) agglutination. 
D) precipitation. 
E) neutralization. 
A) opsonization. 
B) activation. 
C) agglutination. 
D) precipitation. 
E) neutralization.

Question 12

The primary function of the lymphatic system is

Accepted Answer

A) the transport of hormones. 
B) circulation of nutrients and dissolved gases. 
C) defending the body against both external and internal threats. 
D) the production and distribution of plasma proteins. 
E) the production and maturation of leukocytes. 
A) the transport of hormones. 
B) circulation of nutrients and dissolved gases. 
C) defending the body against both external and internal threats. 
D) the production and distribution of plasma proteins. 
E) the production and maturation of leukocytes.

Question 13

The lymphatic system does all of the following except

Accepted Answer

A) helps maintain normal blood volume. 
B) transports gases to and away from lymph nodes. 
C) eliminates variations in the composition of interstitial fluid. 
D) transports lipids from the digestive tract. 
E) fights infection. 
A) helps maintain normal blood volume. 
B) transports gases to and away from lymph nodes. 
C) eliminates variations in the composition of interstitial fluid. 
D) transports lipids from the digestive tract. 
E) fights infection.

Question 14

________ are clusters of lymphatic nodules deep to the epithelial lining of the small intestine.

Accepted Answer

A) Tonsils 
B) Adenoids 
C) Peyer's patches 
D) Immune complexes 
E) Lymph glands 
A) Tonsils 
B) Adenoids 
C) Peyer's patches 
D) Immune complexes 
E) Lymph glands

Question 15

The immune system is said to exhibit ________ toward those agents that do not stimulate an immune response.

Accepted Answer

A) immunity 
B) memory 
C) adaptation 
D) tolerance 
E) versatility 
A) immunity 
B) memory 
C) adaptation 
D) tolerance 
E) versatility

Question 16

Examples of physical barriers against pathogens include

Accepted Answer

A) sebaceous glands. 
B) mucus. 
C) epithelia. 
D) epidermal layers. 
E) All of the answers are correct. 
A) sebaceous glands. 
B) mucus. 
C) epithelia. 
D) epidermal layers. 
E) All of the answers are correct.

Question 17

The cells responsible for humoral immunity are the ________ cells.

Accepted Answer

A) NK 
B) B 
C) helper T 
D) cytotoxic T 
E) suppressor T 
A) NK 
B) B 
C) helper T 
D) cytotoxic T 
E) suppressor T

Question 18

Which of the following about MHC proteins is false?

Accepted Answer

A) bind complement 
B) allow the body to differentiate its own cells from foreign cells 
C) function in antigen presentation 
D) fall into two major classes 
E) are found on all nucleated cells 
A) bind complement 
B) allow the body to differentiate its own cells from foreign cells 
C) function in antigen presentation 
D) fall into two major classes 
E) are found on all nucleated cells

Question 19

Immunity that results from exposure to an antigen in the environment is called ________ immunity.

Accepted Answer

A) naturally acquired active 
B) natural passive 
C) passively acquired 
D) automatically acquired 
E) innate 
A) naturally acquired active 
B) natural passive 
C) passively acquired 
D) automatically acquired 
E) innate

Question 20

Stem cells that can form all types of lymphocytes are concentrated in the

Accepted Answer

A) circulation. 
B) thymus. 
C) red bone marrow. 
D) spleen. 
E) yellow marrow. 
A) circulation. 
B) thymus. 
C) red bone marrow. 
D) spleen. 
E) yellow marrow.

Exam 22: The Lymphatic System and Immunity

An inflammatory response is triggered when

Lymph nodes do all of the following except

The term immunological ________ refers to the ability to demonstrate an immune response upon exposure to an antigen.

If the thymus shrank and stopped making thymosins,we would expect to see an immediate decrease in the number of

The body's innate defenses include all of the following except

Lymph nodes range in diameter from

Plasma contains ________ special proteins that form the complement system.

All of the following are true of the thymus gland except that it

Dividing lymphocytes can be found in the ________ of the lymphatic nodule.

Immunoglobulins that are found on the surface of B cells and that may activate antibody production are

The process by which soluble antigens combine with antibodies to form insoluble immune complexes is called

The primary function of the lymphatic system is

The lymphatic system does all of the following except

________ are clusters of lymphatic nodules deep to the epithelial lining of the small intestine.

The immune system is said to exhibit ________ toward those agents that do not stimulate an immune response.

Examples of physical barriers against pathogens include

The cells responsible for humoral immunity are the ________ cells.

Which of the following about MHC proteins is false?

Immunity that results from exposure to an antigen in the environment is called ________ immunity.

Stem cells that can form all types of lymphocytes are concentrated in the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

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Joints

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Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

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