Question 1

-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 cytokines 
A)  memory T cells 
B)  cytotoxic T cells 
C)  contact killing 
D)  lysis of target cell 
E)  release of cytokines B

Question 2

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. 
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. A

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 fever 
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 fever C

Question 4

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. 
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.

Question 5

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

Accepted Answer

A) immediate hypersensitivity 
B) delayed hypersensitivity 
A) immediate hypersensitivity 
B) delayed hypersensitivity

Question 6

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 inflammation 
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 inflammation

Question 7

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

Question 8

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 immunity 
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 immunity

Question 9

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

Question 10

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 immunity 
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 immunity

Question 11

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. 
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.

Question 12

-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 antigens 
A)  activation of complement cascade 
B)  facilitation of phagocytosis 
C)  initiates release of inflammatory chemicals 
D)  binds antigens together 
E)  inactivation of antigens

Question 13

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. 
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.

Question 14

-What does "B" represent on the diagram?

Accepted Answer

A)  spleen 
B)  thymus 
C)  axillary lymph node 
D)  inguinal lymph node 
E)  thoracic duct 
A)  spleen 
B)  thymus 
C)  axillary lymph node 
D)  inguinal lymph node 
E)  thoracic duct

Question 15

-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 antigens 
A)  activation of complement cascade 
B)  facilitation of phagocytosis 
C)  initiates release of inflammatory chemicals 
D)  binds antigens together 
E)  inactivation of antigens

Question 16

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. 
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.

Question 17

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

Question 18

-What does "A" represent on the diagram?

Accepted Answer

A)  spleen 
B)  thymus 
C)  axillary lymph node 
D)  inguinal lymph node 
E)  thoracic duct 
A)  spleen 
B)  thymus 
C)  axillary lymph node 
D)  inguinal lymph node 
E)  thoracic duct

Question 19

____ 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, monocytes 
A)  B cells, NK cells 
B)  Antibodies, antigens 
C)  T cells, B cells 
D)  Macrophages, antibodies 
E)  Neutrophils, monocytes

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. 
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.

Exam 22: Lymphatic System and Immunity

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

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

Which of the following cytokines is mismatched?

Cytotoxic T cells

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

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

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

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

Lymphocyte proliferation begins by increasing the number of

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

Antibodies

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

What is the purpose of lacteals?

-What does "B" represent on the diagram?

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

The palatine tonsils

The two major types of phagocytic cells are

-What does "A" represent on the diagram?

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

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

The Human Organism

The Chemical Basis of Life

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Integration of Nervous System Functions

The Special Senses

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Cardiovascular System: Blood Vessels and Circulation

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