Question 1

The antibodies found on B cells are

Accepted Answer

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

Question 2

Cytokines released by TH1 cells:

Accepted Answer

A)  Kill parasites. 
B)  Convert B cells to T cells. 
C)  Convert TH2cells to TH1 cells. 
D)  Convert TH1 cells to TH2 cells. 
E)  Activate CD8 cells to CTLs. 
A)  Kill parasites. 
B)  Convert B cells to T cells. 
C)  Convert TH2cells to TH1 cells. 
D)  Convert TH1 cells to TH2 cells. 
E)  Activate CD8 cells to CTLs.

Question 3

An antibody's Fc region can be bound by

Accepted Answer

A)  Macrophages. 
B)  B cells. 
C)  Helper T cells. 
D)  Antibodies. 
E)  None of the above. 
A)  Macrophages. 
B)  B cells. 
C)  Helper T cells. 
D)  Antibodies. 
E)  None of the above.

Question 4

Which statement is incorrect?

Accepted Answer

A)  The constant region of a heavy chain is the same for all antibodies. 
B)  The Fc region attaches to a host cell. 
C)  The variable region of a heavy chain binds with antigen. 
D)  The variable region of a light chain binds with antigen. 
E)  None of the above. 
A)  The constant region of a heavy chain is the same for all antibodies. 
B)  The Fc region attaches to a host cell. 
C)  The variable region of a heavy chain binds with antigen. 
D)  The variable region of a light chain binds with antigen. 
E)  None of the above.

Question 5

T cells are activated by:

Accepted Answer

A)  Complement. 
B)  Cytokines released by B cells. 
C)  Cytokines released by dentritic cells. 
D)  Interaction between TCRs and MHC II. 
E)  Interaction between CD4 and MHC II. 
A)  Complement. 
B)  Cytokines released by B cells. 
C)  Cytokines released by dentritic cells. 
D)  Interaction between TCRs and MHC II. 
E)  Interaction between CD4 and MHC II.

Question 6

Figure 17.1
  
-In Figure 17.1, the arrow at time d indicates

Accepted Answer

A)  The secondary response. 
B)  The time of exposure to the same antigen as at time a. 
C)  Exposure to a new antigen. 
D)  The primary response. 
E)  None of the above. 
A)  The secondary response. 
B)  The time of exposure to the same antigen as at time a. 
C)  Exposure to a new antigen. 
D)  The primary response. 
E)  None of the above.

Question 7

The following events elicit an antibody response. What is the third step?

Accepted Answer

A)  APC phagocytizes antigen. 
B)  TH cell produces cytokines. 
C)  B cell is activated. 
D)  Antigen- digest goes to surface of APC. 
E)  TH cell recognizes antigen- digest and MHC II. 
A)  APC phagocytizes antigen. 
B)  TH cell produces cytokines. 
C)  B cell is activated. 
D)  Antigen- digest goes to surface of APC. 
E)  TH cell recognizes antigen- digest and MHC II.

Question 8

Chemical signals sent between leukocytes are

Accepted Answer

A)  Colony- stimulating factor. 
B)  TCRs 
C)  Tumor necrosis factor. 
D)  Interferons. 
E)  Interleukins. 
A)  Colony- stimulating factor. 
B)  TCRs 
C)  Tumor necrosis factor. 
D)  Interferons. 
E)  Interleukins.

Question 9

Which of the following is not a characteristic of cellular immunity?

Accepted Answer

A)  Cells are processed in the thymus gland. 
B)  It can inhibit the immune response. 
C)  The cells originate in bone marrow. 
D)  It includes macrophages. 
E)  None of the above. 
A)  Cells are processed in the thymus gland. 
B)  It can inhibit the immune response. 
C)  The cells originate in bone marrow. 
D)  It includes macrophages. 
E)  None of the above.

Question 10

Cell death caused by perforin and granzymes is caused by

Accepted Answer

A)  TH₂ cells. 
B)  TH1 cells. 
C)  CD8 cells. 
D)  Cytotoxic T lymphocytes. 
E)  B cells. 
A)  TH₂ cells. 
B)  TH1 cells. 
C)  CD8 cells. 
D)  Cytotoxic T lymphocytes. 
E)  B cells.

Question 11

Patients with an inherited type of colon cancer called familial adenomatous polyposis have a mutation in the gene that codes for

Accepted Answer

A)  IgE antibodies. 
B)  Helper T cells. 
C)  Phagocytosis. 
D)  Apoptosis. 
E)  ADCC. 
A)  IgE antibodies. 
B)  Helper T cells. 
C)  Phagocytosis. 
D)  Apoptosis. 
E)  ADCC.

Question 12

IL- 2, produced by TH cells,

Accepted Answer

A)  Stimulates TH cell maturation. 
B)  Activates antigen- presenting cells. 
C)  Causes phagocytosis. 
D)  Activates macrophages. 
E)  None of the above. 
A)  Stimulates TH cell maturation. 
B)  Activates antigen- presenting cells. 
C)  Causes phagocytosis. 
D)  Activates macrophages. 
E)  None of the above.

Question 13

The presence of which of the following indicates a current infection rather than a previous infection or vaccination?

Accepted Answer

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

Question 14

Figure 17.2
  
-In Figure 17.2, which areas represent antigen- binding sites?

Accepted Answer

A)  a and b 
B)  a and c 
C)  b and c 
D)  c and d 
E)  b and d 
A)  a and b 
B)  a and c 
C)  b and c 
D)  c and d 
E)  b and d

Question 15

The antibodies found in mucus, saliva, and tears are

Accepted Answer

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

Question 16

Type of immunity resulting from vaccination.

Accepted Answer

A)  Innate immunity 
B)  Naturally acquired active immunity 
C)  Naturally acquired passive immunity 
D)  Artificially acquired active immunity 
E)  Artificially acquired passive immunity 
A)  Innate immunity 
B)  Naturally acquired active immunity 
C)  Naturally acquired passive immunity 
D)  Artificially acquired active immunity 
E)  Artificially acquired passive immunity

Question 17

The antibodies that can bind to large parasites are

Accepted Answer

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

Question 18

Plasma cells are activated by a(n)

Accepted Answer

A)  T cell. 
B)  Memory cell. 
C)  Antigen. 
D)  B cell. 
E)  None of the above. 
A)  T cell. 
B)  Memory cell. 
C)  Antigen. 
D)  B cell. 
E)  None of the above.

Question 19

Which one of the following causes transmembrane channels in target cells?

Accepted Answer

A)  IL- 1 
B)  Antigen 
C)  Perforin 
D)  Hapten 
E)  IL- 2 
A)  IL- 1 
B)  Antigen 
C)  Perforin 
D)  Hapten 
E)  IL- 2

Question 20

Which of the following recognizes antigens displayed on host cells with MHC II?

Accepted Answer

A)  TH cell 
B)  Natural killer cell 
C)  Basophil 
D)  B cell 
E)  TC cell 
A)  TH cell 
B)  Natural killer cell 
C)  Basophil 
D)  B cell 
E)  TC cell

Exam 17: Adaptive Immunity: Specific Defenses of the Host

The antibodies found on B cells are

Cytokines released by TH1 cells:

An antibody's Fc region can be bound by

Which statement is incorrect?

T cells are activated by:

Figure 17.1 -In Figure 17.1, the arrow at time d indicates

The following events elicit an antibody response. What is the third step?

Chemical signals sent between leukocytes are

Which of the following is not a characteristic of cellular immunity?

Cell death caused by perforin and granzymes is caused by

Patients with an inherited type of colon cancer called familial adenomatous polyposis have a mutation in the gene that codes for

IL- 2, produced by TH cells,

The presence of which of the following indicates a current infection rather than a previous infection or vaccination?

Figure 17.2 -In Figure 17.2, which areas represent antigen- binding sites?

The antibodies found in mucus, saliva, and tears are

Type of immunity resulting from vaccination.

The antibodies that can bind to large parasites are

Plasma cells are activated by a(n)

Which one of the following causes transmembrane channels in target cells?

Which of the following recognizes antigens displayed on host cells with MHC II?

The Microbial World and You

Chemical Principles

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic Cells

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Recombinant DNA

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

The Eukaryotes: Fungi, Algae, Protozoa, and Helminths

Viruses, Viroids, and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Innate Immunity: Nonspecific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

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