Question 1

Match the term with the appropriate description.
-germinal centers

Accepted Answer

A)  lipids that cause smooth muscle relaxation and vasodilation
B)  lymph nodules aggregated in the small intestinal wall
C)  rounded epithelial structures found in the medulla of thymus
D)  areas of a lymph node where lymphocytes divide
E)  a chemical released from mast cells that causes vasodilationF) B) and C)
G) B) and D)

Question 2

Positive selection of lymphocytes refers to the

Accepted Answer

A)   processing of an antigen by a macrophage.
B)   proliferation of natural killer cells.
C)   production of antigen-specific antibodies.
D)   survival of pre-B and pre-T cells that are capable of an immune response.
E)   replication of memory cells.F) A) and B)
G) A) and C)

Question 3

-This diagram illustrates the effects of antibodies. What effect does "C" represent?

Accepted Answer

A)   activation of complement cascade
B)   facilitation of phagocytosis
C)   initiates release of inflammatory chemicals
D)   binds antigens together
E)   inactivation of antigensF) C) and E)
G) None of the above

Question 4

In immunodeficiency diseases,

Accepted Answer

A)   the immune system fails to distinguish between self-antigens and foreign antigens.
B)   inadequate B and/or T cell formation may occur.
C)   IgE mediates a localized reaction.
D)   serum sickness results.
E)   immune surveillance occurs.F) All of the above
G) A) and E)

Question 5

Match the term with the appropriate description.
-Peyer's patches

Accepted Answer

A)  lipids that cause smooth muscle relaxation and vasodilation
B)  lymph nodules aggregated in the small intestinal wall
C)  rounded epithelial structures found in the medulla of thymus
D)  areas of a lymph node where lymphocytes divide
E)  a chemical released from mast cells that causes vasodilationF) A) and B)
G) All of the above

Question 6

Lymph movement is assisted by

Accepted Answer

A)   contraction of skeletal muscle.
B)   contraction of smooth muscle in lymph vessel.
C)   pressure changes in the thorax during respiration.
D)   compression of lymphatic vessels.
E)   All of these choices are correct.F) C) and D)
G) A) and C)

Question 7

Which of the following is NOT a secondary lymphatic organ?

Accepted Answer

A)   spleen
B)   lymph node
C)   lymphatic nodule
D)   thymus glandE) All of the above
F) B) and D)

Question 8

Match the appropriate characteristic with the type of immunity.
-neutrophils and macrophages

Accepted Answer

A)  innate immunity
B)  antibody-mediated immunity
C)  cell-mediated immunity
D)  both antibody and cell-mediated immunity
E)  innate immunity, antibody-mediated immunity and cell-mediated immunityF) B) and D)
G) A) and B)

Question 9

______ determines which B-cell is cloned in an antibody-mediated response.

Accepted Answer

A)   The antibody
B)   The antigen
C)   A macrophage
D)   Complement
E)   A neutrophilF) C) and D)
G) B) and E)

Question 10

Several research groups are working on vaccines that will be effective against the AIDS virus. When a successful vaccine is produced, it is likely to be injected to produce

Accepted Answer

A)   active natural immunity.
B)   active artificial immunity.
C)   passive natural immunity.
D)   passive artificial immunity.
E)   active passive immunity.F) A) and D)
G) A) and E)

Question 11

Which of the following is NOT a function of the lymphatic system?

Accepted Answer

A)   Defending from infection caused by microorganisms and other foreign substances.
B)   Aiding in erythropoiesis of red blood cells.
C)   Maintaining fluid balance by returning excess interstitial fluid to the blood.
D)   Absorbing and transporting lipids from the digestive tract.E) All of the above
F) A) and C)

Question 12

Match the type of cell with its function.
-neutrophil

Accepted Answer

A)  first cell to enter infected tissue
B)  will become macrophage in tissue
C)  lyses tumor and virus-infected cells
D)  cell that increases in number during a parasitic infection
E)  nonmotile cells in connective tissue that promote inflammationF) C) and D)
G) A) and D)

Question 13

-What does "E" represent on the diagram?

Accepted Answer

A)   spleen
B)   thymus
C)   axillary lymph node
D)   inguinal lymph node
E)   thoracic ductF) None of the above
G) B) and E)

Question 14

-The diagram illustrates the stimulation and effects of T cells. What does "D" represent?

Accepted Answer

A)   memory T cells
B)   cytotoxic T cells
C)   contact killing
D)   lysis of target cell
E)   release of cytokinesF) C) and D)
G) A) and B)

Question 15

-The diagram illustrates the stimulation and effects of T cells. What does "C" represent?

Accepted Answer

A)   memory T cells
B)   cytotoxic T cells
C)   contact killing
D)   lysis of target cell
E)   release of cytokinesF) A) and E)
G) None of the above

Question 16

Match the term with the appropriate description.
-histamine

Accepted Answer

A)  lipids that cause smooth muscle relaxation and vasodilation
B)  lymph nodules aggregated in the small intestinal wall
C)  rounded epithelial structures found in the medulla of thymus
D)  areas of a lymph node where lymphocytes divide
E)  a chemical released from mast cells that causes vasodilationF) A) and D)
G) C) and E)

Question 17

During the inflammatory response,

Accepted Answer

A)   vasoconstriction occurs.
B)   chemical mediators are released.
C)   vascular permeability is decreased.
D)   neutrophil production is depressed.
E)   blood flow is reduced.F) C) and E)
G) None of the above

Question 18

What structural feature of lymphatic vessels is responsible to forward movement of lymph?

Accepted Answer

A)   over-lapping endothelial cells
B)   valves
C)   no basement membrane
D)   thin wallsE) B) and D)
F) A) and C)

Question 19

A small molecule that can cause an allergic reaction is a/an

Accepted Answer

A)   T cell.
B)   B cell.
C)   antibody.
D)   hapten.E) B) and D)
F) All of the above

Question 20

Match the cell of adaptive immunity with its function.
-memory T cell

Accepted Answer

A)  quick and responsive to antigen, remembers previous exposure
B)  after activitaion, differentiates to become plasma cell or memory B cell
C)  produces antibodies
D)  destroys cells by lysis or by production of cytokines
E)  activates B and effector T cellsF) B) and C)
G) All of the above

Exam 22: Lymphatic System and Immunity

What structural feature of lymphatic vessels is responsible to forward movement of lymph?

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Match the term with the appropriate description. -histamine

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-The diagram illustrates the stimulation and effects of T cells. What does "D" represent?

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Which of the following is NOT a function of the lymphatic system?

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______ determines which B-cell is cloned in an antibody-mediated response.

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Match the type of cell with its function. -neutrophil

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In immunodeficiency diseases,

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-What does "E" represent on the diagram?

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Match the term with the appropriate description. -germinal centers

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-This diagram illustrates the effects of antibodies. What effect does "C" represent?

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-The diagram illustrates the stimulation and effects of T cells. What does "C" represent?

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Match the appropriate characteristic with the type of immunity. -neutrophils and macrophages

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Which of the following is NOT a secondary lymphatic organ?

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Several research groups are working on vaccines that will be effective against the AIDS virus. When a successful vaccine is produced, it is likely to be injected to produce

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Match the cell of adaptive immunity with its function. -memory T cell

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Match the term with the appropriate description. -Peyer's patches

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A small molecule that can cause an allergic reaction is a/an

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During the inflammatory response,

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Lymph movement is assisted by

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Positive selection of lymphocytes refers to the

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