Question 1

Helper T cells do all of the following, except

Accepted Answer

A)  activate sensitized B cells by costimulation. 
B)  destroy target cells using perforins. 
C)  enhance cell-mediated immunity. 
D)  secrete cytokines to stimulate production of plasma cells. 
E)  enhance antibody-mediated immunity. 
A)  activate sensitized B cells by costimulation. 
B)  destroy target cells using perforins. 
C)  enhance cell-mediated immunity. 
D)  secrete cytokines to stimulate production of plasma cells. 
E)  enhance antibody-mediated immunity. B

Question 2

Immunoglobulins that attach to and sensitize mast cells and basophils are

Accepted Answer

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

Question 3

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

Accepted Answer

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

Question 4

Class II MHC proteins are present in the plasma membrane only

Accepted Answer

A)  when plasma cells are releasing antibodies. 
B)  in antigen-presenting cells and lymphocytes. 
C)  when cytotoxic T cells are inhibited. 
D)  when NK cells are activated. 
E)  during infections. 
A)  when plasma cells are releasing antibodies. 
B)  in antigen-presenting cells and lymphocytes. 
C)  when cytotoxic T cells are inhibited. 
D)  when NK cells are activated. 
E)  during infections.

Question 5

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

Question 6

Lymphocyte production involves

Accepted Answer

A)  bone marrow. 
B)  thymus tissue. 
C)  peripheral lymphoid tissues. 
D)  all of the above 
E)  none of the above 
A)  bone marrow. 
B)  thymus tissue. 
C)  peripheral lymphoid tissues. 
D)  all of the above 
E)  none of the above

Question 7

In a routine examination, some blood is taken and analyzed. The results show a high IgM titer for the mumps virus but a low IgG anti-mumps titer. This would indicate the person

Accepted Answer

A)  has just recovered from mumps. 
B)  was recently infected with mumps. 
C)  is allergic to mumps. 
D)  is immune to mumps. 
E)  is relying on passive immunity. 
A)  has just recovered from mumps. 
B)  was recently infected with mumps. 
C)  is allergic to mumps. 
D)  is immune to mumps. 
E)  is relying on passive immunity.

Question 8

Various types of macrophages are derived from

Accepted Answer

A)  lymphocytes. 
B)  monocytes. 
C)  neutrophils. 
D)  eosinophils. 
E)  basophils. 
A)  lymphocytes. 
B)  monocytes. 
C)  neutrophils. 
D)  eosinophils. 
E)  basophils.

Question 9

List and briefly describe the components of the lymphoid system.

Accepted Answer

The lymphoid system consists of (1) lymp

Question 10

Which of these statements about lymph flow in a node is False ?

Accepted Answer

A)  Lymph enters in an afferent lymphatic. 
B)  Lymph first enters the subcapsular space. 
C)  Lymph flows past dendritic cells. 
D)  The efferent lymphatic exits at the hilum. 
E)  The afferent lymphatics enters at the hilum. 
A)  Lymph enters in an afferent lymphatic. 
B)  Lymph first enters the subcapsular space. 
C)  Lymph flows past dendritic cells. 
D)  The efferent lymphatic exits at the hilum. 
E)  The afferent lymphatics enters at the hilum.

Question 11

A substance that provokes an immune response is called a(n) ________.

Accepted Answer

The answer of A substance that provokes an immune response...

Question 12

Inflammation produces localized

Accepted Answer

A)  swelling. 
B)  redness. 
C)  heat. 
D)  pain. 
E)  all of the above 
A)  swelling. 
B)  redness. 
C)  heat. 
D)  pain. 
E)  all of the above

Question 13

During a primary immune response, the

Accepted Answer

A)  IgM titer is initially higher than the IgG titer. 
B)  IgG titer is initially higher than the IgM titer. 
C)  IgM titer and the IgG titer rise in parallel. 
A)  IgM titer is initially higher than the IgG titer. 
B)  IgG titer is initially higher than the IgM titer. 
C)  IgM titer and the IgG titer rise in parallel.

Question 14

The merging of ________ forms the right lymphatic duct.

Accepted Answer

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

Question 15

Characteristics of specific defenses include

Accepted Answer

A)  versatility. 
B)  tolerance. 
C)  memory. 
D)  specificity. 
E)  all of the above 
A)  versatility. 
B)  tolerance. 
C)  memory. 
D)  specificity. 
E)  all of the above

Question 16

The thoracic duct originates from an expanded chamber called the ________.

Accepted Answer

The answer of The thoracic duct originates from an expanded...

Question 17

Cells that help regulate the antibody-mediated immune response are ________ cells.

Accepted Answer

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

Question 18

Class II MHC molecules are found only 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 19

Which class of leukocytes is particularly abundant in the red pulp of the spleen?

Accepted Answer

A)  T lymphocytes 
B)  free and fixed macrophages 
C)  B lymphocytes 
D)  neutrophils 
E)  red blood cells 
A)  T lymphocytes 
B)  free and fixed macrophages 
C)  B lymphocytes 
D)  neutrophils 
E)  red blood cells

Question 20

The cell that dominates the deep cortical region of a lymph node is the ________ cell.

Accepted Answer

A)  B 
B)  T 
C)  plasma 
D)  nodule 
E)  NK 
A)  B 
B)  T 
C)  plasma 
D)  nodule 
E)  NK

Exam 19: The Lymphatic System and Immunity

Helper T cells do all of the following, except

Immunoglobulins that attach to and sensitize mast cells and basophils are

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

Class II MHC proteins are present in the plasma membrane only

All of the following are True of the thymus gland, except that it

Lymphocyte production involves

In a routine examination, some blood is taken and analyzed. The results show a high IgM titer for the mumps virus but a low IgG anti-mumps titer. This would indicate the person

Various types of macrophages are derived from

List and briefly describe the components of the lymphoid system.

Which of these statements about lymph flow in a node is False ?

A substance that provokes an immune response is called a(n) ________.

Inflammation produces localized

During a primary immune response, the

The merging of ________ forms the right lymphatic duct.

Characteristics of specific defenses include

The thoracic duct originates from an expanded chamber called the ________.

Cells that help regulate the antibody-mediated immune response are ________ cells.

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

Which class of leukocytes is particularly abundant in the red pulp of the spleen?

The cell that dominates the deep cortical region of a lymph node is the ________ cell.

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