Question 1

CD8 markers are to ________ T cells as CD4 markers are to ________ T cells.

Accepted Answer

A) suppressor; cytoxic 
B) cytoxic; helper 
C) helper; suppressor 
D) NK; cytoxic 
E) plasma; NK 
A) suppressor; cytoxic 
B) cytoxic; helper 
C) helper; suppressor 
D) NK; cytoxic 
E) plasma; NK

Question 2

Hormones of the immune system include all of the following except

Accepted Answer

A) interleukins. 
B) interferons. 
C) natriuretic factor. 
D) thymosins. 
E) tumor necrosis factor. 
A) interleukins. 
B) interferons. 
C) natriuretic factor. 
D) thymosins. 
E) tumor necrosis factor.

Question 3

The white pulp of the spleen is populated by

Accepted Answer

A) lymphocytes. 
B) trabeculae. 
C) arteries. 
D) veins. 
E) fibrous connective tissue. 
A) lymphocytes. 
B) trabeculae. 
C) arteries. 
D) veins. 
E) fibrous connective tissue.

Question 4

T cells develop from stem cells in the

Accepted Answer

A) bone marrow. 
B) liver. 
C) spleen. 
D) thymus. 
E) kidneys. 
A) bone marrow. 
B) liver. 
C) spleen. 
D) thymus. 
E) kidneys.

Question 5

Adaptive defenses depend on the activities of

Accepted Answer

A) monocytes. 
B) leukocytes. 
C) agranulocytes. 
D) erythrocytes. 
E) lymphocytes. 
A) monocytes. 
B) leukocytes. 
C) agranulocytes. 
D) erythrocytes. 
E) lymphocytes.

Question 6

Fever is the maintenance of body temperature greater than

Accepted Answer

A) 40.6°C (105°F). 
B) 37.2°C (99°F). 
C) 37°C (98.6°F). 
D) 38.9 °C (102°F). 
E) 37.5°C (99.5°F). 
A) 40.6°C (105°F). 
B) 37.2°C (99°F). 
C) 37°C (98.6°F). 
D) 38.9 °C (102°F). 
E) 37.5°C (99.5°F).

Question 7

Defense of the body against a particular pathogen is provided by

Accepted Answer

A) innate immunity. 
B) adaptive immunity. 
C) immunological surveillance. 
D) skin defenses. 
E) fever. 
A) innate immunity. 
B) adaptive immunity. 
C) immunological surveillance. 
D) skin defenses. 
E) fever.

Question 8

List and briefly describe the components of the lymphatic system.

Accepted Answer

The lymphatic system consists of (1)lymp

Question 9

Immunity that is genetically determined and present at birth is called ________ immunity.

Accepted Answer

A) active 
B) natural passive 
C) passive 
D) auto 
E) innate 
A) active 
B) natural passive 
C) passive 
D) auto 
E) innate

Question 10

Immunity that results from antibodies that pass through the placenta from mother to fetus is called ________ immunity.

Accepted Answer

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

Question 11

In IgG,the antigen binding site is formed by the

Accepted Answer

A) variable segment of the light chain. 
B) variable segment of the heavy chain. 
C) constant segment of the heavy chain. 
D) variable segments of both the light and heavy chains. 
E) ionized segment of the light chain and the isotropic segment of the heavy chain. 
A) variable segment of the light chain. 
B) variable segment of the heavy chain. 
C) constant segment of the heavy chain. 
D) variable segments of both the light and heavy chains. 
E) ionized segment of the light chain and the isotropic segment of the heavy chain.

Question 12

A crime scene investigator found that a biological fluid sample contains a large amount of IgA-type antibody.This fluid is probably

Accepted Answer

A) blood. 
B) lymph. 
C) serum. 
D) tears. 
E) interstitial. 
A) blood. 
B) lymph. 
C) serum. 
D) tears. 
E) interstitial.

Question 13

The merging of ________ forms the right lymphatic duct.

Accepted Answer

A) the right jugular,right subclavian,and right bronchomediastinal trunks 
B) the right lumbar,right subclavian,and right bronchomediastinal trunks 
C) two great vessels 
D) the thoracic and mediastinal ducts 
E) superior and inferior lymphatic ducts 
A) the right jugular,right subclavian,and right bronchomediastinal trunks 
B) the right lumbar,right subclavian,and right bronchomediastinal trunks 
C) two great vessels 
D) the thoracic and mediastinal ducts 
E) superior and inferior lymphatic ducts

Question 14

Lymphocytes that destroy foreign cells or virus-infected cells are ________ cells.

Accepted Answer

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

Question 15

When large numbers of antibodies encounter their antigenic targets,they interact to form a three-dimensional structure known as a(n)

Accepted Answer

A) agglutination aggregate. 
B) immune complex. 
C) defense group. 
D) complement division. 
E) detoxification unit. 
A) agglutination aggregate. 
B) immune complex. 
C) defense group. 
D) complement division. 
E) detoxification unit.

Question 16

A ________ antigen is an antigen with at least two antigenic determinant sites.

Accepted Answer

A) complete 
B) perfect 
C) mature 
D) paired 
E) dipolar 
A) complete 
B) perfect 
C) mature 
D) paired 
E) dipolar

Question 17

Class II MHC molecules are found on which of the following?

Accepted Answer

A) all body cells with a nucleus 
B) red blood cells 
C) granulocytes and microphages 
D) lymphocytes and antigen-presenting cells 
E) liver cells and macrophages in the spleen 
A) all body cells with a nucleus 
B) red blood cells 
C) granulocytes and microphages 
D) lymphocytes and antigen-presenting cells 
E) liver cells and macrophages in the spleen

Question 18

Milly has just received a kidney transplant and is taking cyclosporin A.What does this medication do?

Accepted Answer

A) prevents inflammation from destroying the transplanted kidney 
B) depresses hemopoiesis in the red bone marrow 
C) decreases chemotaxis of macrophages to the transplanted kidney 
D) weakens antibodies in the blood 
E) suppresses helper T cells,thus preventing rejection 
A) prevents inflammation from destroying the transplanted kidney 
B) depresses hemopoiesis in the red bone marrow 
C) decreases chemotaxis of macrophages to the transplanted kidney 
D) weakens antibodies in the blood 
E) suppresses helper T cells,thus preventing rejection

Question 19

The classic pathway of complement activation begins when the protein C1 binds to

Accepted Answer

A) the cell wall of bacteria. 
B) the plasma membrane of bacteria. 
C) an antibody attached to an antigen. 
D) a cell surface antigen. 
E) a plasma protein. 
A) the cell wall of bacteria. 
B) the plasma membrane of bacteria. 
C) an antibody attached to an antigen. 
D) a cell surface antigen. 
E) a plasma protein.

Question 20

The process by which antibodies bind to the antigen on the surface of cells,forming large 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.

Exam 22: The Lymphatic System and Immunity

CD8 markers are to ________ T cells as CD4 markers are to ________ T cells.

Hormones of the immune system include all of the following except

The white pulp of the spleen is populated by

T cells develop from stem cells in the

Adaptive defenses depend on the activities of

Fever is the maintenance of body temperature greater than

Defense of the body against a particular pathogen is provided by

List and briefly describe the components of the lymphatic system.

Immunity that is genetically determined and present at birth is called ________ immunity.

Immunity that results from antibodies that pass through the placenta from mother to fetus is called ________ immunity.

In IgG,the antigen binding site is formed by the

A crime scene investigator found that a biological fluid sample contains a large amount of IgA-type antibody.This fluid is probably

The merging of ________ forms the right lymphatic duct.

Lymphocytes that destroy foreign cells or virus-infected cells are ________ cells.

When large numbers of antibodies encounter their antigenic targets,they interact to form a three-dimensional structure known as a(n)

A ________ antigen is an antigen with at least two antigenic determinant sites.

Class II MHC molecules are found on which of the following?

Milly has just received a kidney transplant and is taking cyclosporin A.What does this medication do?

The classic pathway of complement activation begins when the protein C1 binds to

The process by which antibodies bind to the antigen on the surface of cells,forming large immune complexes,is called

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

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

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

Development and Inheritance

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CD8 markers are to T cells as CD4 markers are to T cells.