Question 1

________ 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) B) and E)
G) A) and B)

Question 2

Match the appropriate characteristic with the type of immunity.
-Memory cells

Accepted Answer

A)  Innate immunity
B)  Antibody-mediated immunity
C)  Cell-mediated immunity
D)  Both antibody-mediated and cell-mediated immunity
E)  Innate immunity, antibody-mediated immunity, and cell-mediated immunityF) C) and D)
G) A) and B)

Question 3

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) All of the above
G) A) and B)

Question 4

In the cell-mediated immune response, T cells secrete ________, which activate additional components of the immune system.

Accepted Answer

A)   antibodies
B)   complement
C)   collagen
D)   cytokines
E)   histamineF) C) and E)
G) A) and C)

Question 5

Match the appropriate characteristic with the type of immunity.
-Lymphocytes provide this type of immunity

Accepted Answer

A)  Innate immunity
B)  Antibody-mediated immunity
C)  Cell-mediated immunity
D)  Both antibody-mediated and cell-mediated immunity
E)  Innate immunity, antibody-mediated immunity, and cell-mediated immunityF) A) and B)
G) B) and E)

Question 6

Lymphocytes with a CD8 glycoprotein on their surface are called ________ cells and lymphocytes with a CD4 glycoprotein on their surface are called ________ cells.

Accepted Answer

A)   cytotoxic T; B
B)   B; cytotoxic T
C)   B; helper T
D)   helper T; cytotoxic T
E)   cytotoxic T; helperF) C) and D)
G) A) and B)

Question 7

Match the term with the appropriate description.
-Prostaglandins

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) B) and C)

Question 8

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

Accepted Answer

A)  Quick and responsive to antigen, remembers previous exposure
B)  After activation, 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 E)
G) B) and D)

Question 9

The right lymphatic duct drains lymph from the

Accepted Answer

A)   abdomen.
B)   upper part of the body.
C)   right arm, right chest, and right side of head.
D)   right side of the body.
E)   left arm, left chest, and left side of head.F) C) and E)
G) B) and E)

Question 10

Match the type of cell with its function.
-Eosinophil

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) A) and B)
G) All of the above

Question 11

Lymphatic tissue contains an interlaced network of reticular fibers that functions to

Accepted Answer

A)   produce lymphocytes.
B)   produce capsules around lymph nodes.
C)   attack microorganisms.
D)   line the walls of lymphatic vessels.
E)   trap microorganisms.F) B) and D)
G) None of the above

Question 12

A mutation occurs in a gene that is important to the production of MHC Class II molecules. Which of the following statements accurately describes the ramifications of such a mutation?

Accepted Answer

A)   Such a mutation will hinder antibody production due to the lack of interaction between B lymphocytes and helper T cells.
B)   Such a mutation inhibits cytotoxic T cell function since these cells will not be able to interact with other cells of the body.
C)   There will not be a negative impact because the mutation affects a rare class of MHC molecules that are only functional later in life.
D)   Such a mutation will alter the ability of NK cells to detect tumor cells in the body.E) None of the above
F) C) and D)

Question 13

Dr. Clark has developed a new treatment that stimulates the innate immunity to be more sensitive to cancer cells. Which of the following cells would most likely be stimulated by this new drug?

Accepted Answer

A)   NK cells
B)   B lymphocytes
C)   Cytotoxic T cells
D)   InterferonsE) A) and C)
F) B) and C)

Question 14

Bacteria and debris are actively removed from the lymph by ________ in the sinuses of lymph nodes.

Accepted Answer

A)   trabecular cells
B)   germinal cells
C)   macrophages
D)   lymphocytes
E)   plasma cellsF) A) and B)
G) A) and C) C

Question 15

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

Question 16

Lymph nodes are surrounded by a dense connective tissue called the ________.

Accepted Answer

A)   cortex
B)   capsule
C)   reticulum
D)   trabeculae
E)   basement membraneF) C) and D)
G) None of the above

Question 17

Several days after an initial contact with an antigen, antibody blood levels increases. This is a ________.

Accepted Answer

A)   primer response
B)   primary response
C)   precipitating response
D)   principle response
E)   cascade responseF) C) and E)
G) A) and B)

Question 18

What is the function of thymosin?

Accepted Answer

A)   Destroys damaged red blood cells
B)   Destroys damaged white blood cells
C)   Activates lymphocytes in lymph nodes
D)   Maturation of T-cellsE) A) and B)
F) None of the above D

Question 19

A traditional method of providing temporary immunity for a person who is suspected of being infected with rabies (usually due to an animal bite)  is classified as ________.

Accepted Answer

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

Question 20

Antibody functions include

Accepted Answer

A)   activating antigens.
B)   initiating inflammation and enhancing phagocytosis.
C)   stimulating proteins production by T helper cells.
D)   participating in costimulation.
E)   enhancing memory.F) C) and E)
G) C) and D) B

Exam 22: Lymphatic System and Immunity

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

Correct AnswerverifiedShow Answer

Match the appropriate characteristic with the type of immunity. -Memory cells

Correct AnswerverifiedShow Answer

Which of the following cytokines is mismatched?

Correct AnswerverifiedShow Answer

In the cell-mediated immune response, T cells secrete ________, which activate additional components of the immune system.

Correct AnswerverifiedShow Answer

Match the appropriate characteristic with the type of immunity. -Lymphocytes provide this type of immunity

Correct AnswerverifiedShow Answer

Lymphocytes with a CD8 glycoprotein on their surface are called ________ cells and lymphocytes with a CD4 glycoprotein on their surface are called ________ cells.

Correct AnswerverifiedShow Answer

Match the term with the appropriate description. -Prostaglandins

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The right lymphatic duct drains lymph from the

Correct AnswerverifiedShow Answer

Match the type of cell with its function. -Eosinophil

Correct AnswerverifiedShow Answer

Lymphatic tissue contains an interlaced network of reticular fibers that functions to

Correct AnswerverifiedShow Answer

A mutation occurs in a gene that is important to the production of MHC Class II molecules. Which of the following statements accurately describes the ramifications of such a mutation?

Correct AnswerverifiedShow Answer

Dr. Clark has developed a new treatment that stimulates the innate immunity to be more sensitive to cancer cells. Which of the following cells would most likely be stimulated by this new drug?

Correct AnswerverifiedShow Answer

Bacteria and debris are actively removed from the lymph by ________ in the sinuses of lymph nodes.

Correct AnswerverifiedC

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

Lymph nodes are surrounded by a dense connective tissue called the ________.

Correct AnswerverifiedShow Answer

Several days after an initial contact with an antigen, antibody blood levels increases. This is a ________.

Correct AnswerverifiedShow Answer

What is the function of thymosin?

Correct AnswerverifiedD

A traditional method of providing temporary immunity for a person who is suspected of being infected with rabies (usually due to an animal bite) is classified as ________.

Correct AnswerverifiedShow Answer

Antibody functions include

Correct AnswerverifiedB

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Lymphocytes with a CD8 glycoprotein on their surface are called cells and lymphocytes with a CD4 glycoprotein on their surface are called cells.

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C

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D

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B