Question 1

The most abundant type of antibody is

Accepted Answer

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

Question 2

Autoantibodies

Accepted Answer

A)  are produced by activated T cells. 
B)  are produced during an allergic reaction. 
C)  are directed against the body's own antigens. 
D)  are the first step in immunological competence. 
E)  are important in tissue rejection reactions. 
A)  are produced by activated T cells. 
B)  are produced during an allergic reaction. 
C)  are directed against the body's own antigens. 
D)  are the first step in immunological competence. 
E)  are important in tissue rejection reactions.

Question 3

The thoracic duct drains lymph from all of the following regions, except the

Accepted Answer

A)  left breast. 
B)  right breast. 
C)  left arm and shoulder. 
D)  pelvic viscera. 
E)  left side of the neck. 
A)  left breast. 
B)  right breast. 
C)  left arm and shoulder. 
D)  pelvic viscera. 
E)  left side of the neck.

Question 4

In IgG, the antigen binding site is formed by

Accepted Answer

A)  the variable segment of the light chain. 
B)  the variable segment of the heavy chain. 
C)  the constant segment of the heavy chain. 
D)  the variable segment of the light chain + the variable segment of the heavy chain. 
E)  the variable segment of the light chain + the constant segment of the heavy chain. 
A)  the variable segment of the light chain. 
B)  the variable segment of the heavy chain. 
C)  the constant segment of the heavy chain. 
D)  the variable segment of the light chain + the variable segment of the heavy chain. 
E)  the variable segment of the light chain + the constant segment of the heavy chain.

Question 5

All of the following are True of the primary response of humoral immunity, except that

Accepted Answer

A)  it depends on antigen triggering the appropriate B cell. 
B)  it requires B cell differentiation into plasma cells. 
C)  it is delayed by the memory cell stage. 
D)  circulating antibodies undergo a gradual, sustained rise. 
E)  it peaks 1 to 2 weeks after the initial exposure. 
A)  it depends on antigen triggering the appropriate B cell. 
B)  it requires B cell differentiation into plasma cells. 
C)  it is delayed by the memory cell stage. 
D)  circulating antibodies undergo a gradual, sustained rise. 
E)  it peaks 1 to 2 weeks after the initial exposure.

Question 6

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 7

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 8

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

Question 9

Immunoglobulins that are primarily found in glandular secretions such as saliva and tears are

Accepted Answer

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

Question 10

When an antigen is bound to a Class II MHC protein, it can activate a ________ cell.

Accepted Answer

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

Question 11

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

Accepted Answer

A)  trabeculae 
B)  germinal center 
C)  afferent lymphatics 
D)  all of the above 
E)  none of the above 
A)  trabeculae 
B)  germinal center 
C)  afferent lymphatics 
D)  all of the above 
E)  none of the above

Question 12

Nonspecific defenses include

Accepted Answer

A)  phagocytic cells. 
B)  physical barriers. 
C)  inflammation. 
D)  interferons. 
E)  all of the above 
A)  phagocytic cells. 
B)  physical barriers. 
C)  inflammation. 
D)  interferons. 
E)  all of the above

Question 13

The body's nonspecific defenses include all of the following, except

Accepted Answer

A)  the skin. 
B)  complement. 
C)  interferon. 
D)  inflammation. 
E)  B and T cells. 
A)  the skin. 
B)  complement. 
C)  interferon. 
D)  inflammation. 
E)  B and T cells.

Question 14

The role of antigen-presenting cells in immunity is to

Accepted Answer

A)  activate T cells. 
B)  display antigen fragments. 
C)  process antigens. 
D)  all of the above 
E)  none of the above 
A)  activate T cells. 
B)  display antigen fragments. 
C)  process antigens. 
D)  all of the above 
E)  none of the above

Question 15

Fever is the maintenance of body temperature greater than

Accepted Answer

A)  37.2°C. 
B)  99°F. 
C)  98.6°F. 
D)  37.2°C or 98.6°F 
E)  37.2°C or 99°F. 
A)  37.2°C. 
B)  99°F. 
C)  98.6°F. 
D)  37.2°C or 98.6°F 
E)  37.2°C or 99°F.

Question 16

Before specific defenses are activated, most antigens must

Accepted Answer

A)  infect cells. 
B)  be processed by a phagocyte. 
C)  bind to the DNA of the lymphocyte. 
D)  depolarize the lymphocyte. 
E)  either infect cells or be processed by a phagocyte. 
A)  infect cells. 
B)  be processed by a phagocyte. 
C)  bind to the DNA of the lymphocyte. 
D)  depolarize the lymphocyte. 
E)  either infect cells or be processed by a phagocyte.

Question 17

The lymphoid system is composed of all of the following, except

Accepted Answer

A)  lymphatic vessels. 
B)  the venae cavae. 
C)  the spleen. 
D)  lymph nodes. 
E)  lymph. 
A)  lymphatic vessels. 
B)  the venae cavae. 
C)  the spleen. 
D)  lymph nodes. 
E)  lymph.

Question 18

Lymphatic vessels commonly occur in association with

Accepted Answer

A)  hyaline cartilage. 
B)  blood vessels. 
C)  adipose tissue. 
D)  sensory nerve endings. 
E)  both hyaline cartilage and adipose tissue. 
A)  hyaline cartilage. 
B)  blood vessels. 
C)  adipose tissue. 
D)  sensory nerve endings. 
E)  both hyaline cartilage and adipose tissue.

Question 19

The attraction or repulsion of certain cells to chemicals in their environment is called ________.

Accepted Answer

The answer of The attraction or repulsion of certain cells...

Question 20

________ is the class of antibody first secreted in response to a new antigen.

Accepted Answer

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

Exam 19: The Lymphatic System and Immunity

The most abundant type of antibody is

Autoantibodies

The thoracic duct drains lymph from all of the following regions, except the

In IgG, the antigen binding site is formed by

All of the following are True of the primary response of humoral immunity, except that

The white pulp of the spleen is populated by

Lymph nodes range in diameter from

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

Immunoglobulins that are primarily found in glandular secretions such as saliva and tears are

When an antigen is bound to a Class II MHC protein, it can activate a ________ cell.

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

Nonspecific defenses include

The body's nonspecific defenses include all of the following, except

The role of antigen-presenting cells in immunity is to

Fever is the maintenance of body temperature greater than

Before specific defenses are activated, most antigens must

The lymphoid system is composed of all of the following, except

Lymphatic vessels commonly occur in association with

The attraction or repulsion of certain cells to chemicals in their environment is called ________.

________ is the class of antibody first secreted in response to a new antigen.

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Skeleton

Articulations

Skeletal Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood and Blood Vessels

The Heart and Cardiovascular Function

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters