Question 1

Lymphocyte activation can occur in several ways. However, in all cases

Accepted Answer

A)   lymphocytes must recognize an antigen.
B)   helper T cells are activated first and they then stimulate other cells.
C)   antigen-presenting cells process the antigen and present it to the lymphocytes.
D)   cytokines released by the antigen stimulate the lymphocyte response.
E)   antigens must be able to recognize the lymphocytes.F) A) and C)
G) A) and B) A

Question 2

Lymphocyte proliferation begins by increasing the number of

Accepted Answer

A)   macrophages.
B)   B cells.
C)   T suppressor cells.
D)   helper T cells.
E)   cytotoxic T cells.F) B) and D)
G) C) and D)

Question 3

Antibodies

Accepted Answer

A)   play a large role in cell-mediated immunity.
B)   are produced by both T and B cells.
C)   are composed of four light and four heavy polypeptide chains.
D)   are not specific, but act generally.
E)   have a variable region that binds to a specific antigenic determinant.F) A) and E)
G) A) and C)

Question 4

Match the term or description to the type of hypersensitivity.
-anaphylaxis

Accepted Answer

A)  immediate hypersensitivity
B)  delayed hypersensitivityC) A) and B)
D) undefined

Question 5

Which of the following cytokines is mismatched?

Accepted Answer

A)   perforin - makes a hole in target cell membranes
B)   alpha interferon - prevents viral replication
C)   lymphotoxin - costimulator of T cells
D)   interleukin 4 - plays a role in allergic reactions
E)   TNF - activates macrophages and promotes feverF) A) and D)
G) B) and E) C

Question 6

-What does "A" represent on the diagram?

Accepted Answer

A)   spleen
B)   thymus
C)   axillary lymph node
D)   inguinal lymph node
E)   thoracic ductF) C) and D)
G) A) and B)

Question 7

Match the appropriate characteristic with the type of immunity.
-origin of cells is red bone marrow

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) C) and D)
G) B) and E)

Question 8

-The diagram illustrates the stimulation and effects of T cells. What does "A" 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 B)
G) B) and D) B

Question 9

____ are part of cell-mediated immunity while ____ are part of antibody-mediated immunity.

Accepted Answer

A)   B cells, NK cells
B)   Antibodies, antigens
C)   T cells, B cells
D)   Macrophages, antibodies
E)   Neutrophils, monocytesF) A) and B)
G) B) and C)

Question 10

What is the purpose of lacteals?

Accepted Answer

A)   Drain blood from the spleen.
B)   Absorb fluid from capillary beds.
C)   Absorb lipids from the digestive tract.
D)   Absorb solutes from interstitial spaces.E) A) and B)
F) A) and C)

Question 11

Match the appropriate characteristic with the type of immunity.
-cells that provide this immunity are lymphocytes.

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) A) and E)
G) A) and D)

Question 12

Match the type of cell with its function.
-natural killer cell

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) All of the above
G) D) and E)

Question 13

-What does "B" represent on the diagram?

Accepted Answer

A)   spleen
B)   thymus
C)   axillary lymph node
D)   inguinal lymph node
E)   thoracic ductF) A) and E)
G) A) and D)

Question 14

The two major types of phagocytic cells are

Accepted Answer

A)   neutrophils and monocytes.
B)   neutrophils and macrophages.
C)   monocytes and macrophages.
D)   lymphocytes and monocytes.
E)   eosinophils and T cells.F) C) and E)
G) A) and B)

Question 15

The palatine tonsils

Accepted Answer

A)   interfere with breathing when enlarged.
B)   are located at the junction of the oral cavity and pharynx.
C)   are located superior to the palate.
D)   are really lymph nodes in disguise.
E)   are located in the nasopharynx.F) B) and E)
G) None of the above

Question 16

Frequently, several different signals or molecules are needed in order to produce an immune response by a B cell or T cell. The second signal in this process is called

Accepted Answer

A)   opsonization.
B)   copresentation.
C)   complement activation.
D)   antigen processing.
E)   costimulation.F) C) and D)
G) B) and C)

Question 17

Cytotoxic T cells

Accepted Answer

A)   produce antibodies for general circulation.
B)   attach to the surface of cells causing them to lyse.
C)   cause precipitation of antigens.
D)   have IgG antibodies on their cell membranes.
E)   are destroyed after contact killing.F) A) and B)
G) A) and C)

Question 18

-This diagram illustrates the effects of antibodies. What effect does "D" 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) A) and D)
G) C) and D)

Question 19

-This diagram illustrates the effects of antibodies. What effect does "B" 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 D)
G) All of the above

Question 20

Which of the following is NOT an aging effect of the lymphatic system and immunity?

Accepted Answer

A)   Fluid removal by the lymphatic capillaries is reduced.
B)   Fewer antibodies are produced.
C)   Onset of autoimmune diseases is unchanged.
D)   T cell numbers remain constant but they are less functional.E) A) and B)
F) B) and C)

Exam 22: Lymphatic System and Immunity

Lymphocyte activation can occur in several ways. However, in all cases

Correct AnswerverifiedA

Lymphocyte proliferation begins by increasing the number of

Correct AnswerverifiedShow Answer

Antibodies

Correct AnswerverifiedShow Answer

Match the term or description to the type of hypersensitivity. -anaphylaxis

Correct AnswerverifiedShow Answer

Which of the following cytokines is mismatched?

Correct AnswerverifiedC

-What does "A" represent on the diagram?

Correct AnswerverifiedShow Answer

Match the appropriate characteristic with the type of immunity. -origin of cells is red bone marrow

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedB

____ are part of cell-mediated immunity while ____ are part of antibody-mediated immunity.

Correct AnswerverifiedShow Answer

What is the purpose of lacteals?

Correct AnswerverifiedShow Answer

Match the appropriate characteristic with the type of immunity. -cells that provide this immunity are lymphocytes.

Correct AnswerverifiedShow Answer

Match the type of cell with its function. -natural killer cell

Correct AnswerverifiedShow Answer

-What does "B" represent on the diagram?

Correct AnswerverifiedShow Answer

The two major types of phagocytic cells are

Correct AnswerverifiedShow Answer

The palatine tonsils

Correct AnswerverifiedShow Answer

Frequently, several different signals or molecules are needed in order to produce an immune response by a B cell or T cell. The second signal in this process is called

Correct AnswerverifiedShow Answer

Cytotoxic T cells

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is NOT an aging effect of the lymphatic system and immunity?

Correct AnswerverifiedShow Answer

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

are part of cell-mediated immunity while are part of antibody-mediated immunity.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified