Question 1

Apoptosis results in significant leakage of cellular contents.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following bacterial components would most likely result in B cell stimulation by T-independent antigens?

Accepted Answer

A)  plasmid 
B)  flagellum 
C)  ribosome 
D)  capsule 
E)  pili 
A)  plasmid 
B)  flagellum 
C)  ribosome 
D)  capsule 
E)  pili

Question 3

A Treg cell deficiency could result in

Accepted Answer

A)  autoimmunity. 
B)  increased severity of bacterial infections. 
C)  increased number of bacterial infections. 
D)  transplant rejection. 
E)  increased number of viral infections. 
A)  autoimmunity. 
B)  increased severity of bacterial infections. 
C)  increased number of bacterial infections. 
D)  transplant rejection. 
E)  increased number of viral infections.

Question 4

The specificity of an antibody is due to

Accepted Answer

A)  the variable portions of the H and L chains. 
B)  the constant portions of the H and L chains. 
C)  the L chains. 
D)  its valence. 
E)  the H chains. 
A)  the variable portions of the H and L chains. 
B)  the constant portions of the H and L chains. 
C)  the L chains. 
D)  its valence. 
E)  the H chains.

Question 5

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 6

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)  B cells make antibodies. 
E)  T cells react with antigens. 
A)  Cells are processed in the thymus gland. 
B)  It can inhibit the immune response. 
C)  The cells originate in bone marrow. 
D)  B cells make antibodies. 
E)  T cells react with antigens.

Question 7

An antibodyʹs Fc region can be bound by

Accepted Answer

A)  antibodies. 
B)  CTLs. 
C)  B cells. 
D)  T helper cells. 
E)  macrophages. 
A)  antibodies. 
B)  CTLs. 
C)  B cells. 
D)  T helper cells. 
E)  macrophages.

Question 8

Which of the following WBCs are NOT lymphocytes?

Accepted Answer

A)  NK cells 
B)  B cells 
C)  cytotoxic T cells 
D)  M cells 
E)  helper T cells 
A)  NK cells 
B)  B cells 
C)  cytotoxic T cells 
D)  M cells 
E)  helper T cells

Question 9

A very ill 48 year old man comes to the Emergency Room and is diagnosed with pneumonia and thrush. Suspicious, the attending physician orders an HIV antibody test which comes back positive within a few hours. Why does a patient with acquired immunodeficiency have antibodies to HIV?

Accepted Answer

The answer of A very ill 48 year old man...

Question 10

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 11

Figure 17.2
  
-In Figure 17.2, which areas are different for all IgM antibodies?

Accepted Answer

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

Question 12

What adaptive immune responses, if any, could one expect to function normally in a human born without a thymus?

Accepted Answer

A human born without a thymus would have

Question 13

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

Accepted Answer

A)  hapten 
B)  IL-2 
C)  perforin 
D)  IL-1 
E)  granzymes 
A)  hapten 
B)  IL-2 
C)  perforin 
D)  IL-1 
E)  granzymes

Question 14

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 15

Cytokines released by TH1 cells

Accepted Answer

A)  convert TH1 cells to TH2 cells. 
B)  convert B cells to T cells. 
C)  kill parasites. 
D)  convert TH2 cells to TH1 cells. 
E)  activate CD8+ cells to CTLs. 
A)  convert TH1 cells to TH2 cells. 
B)  convert B cells to T cells. 
C)  kill parasites. 
D)  convert TH2 cells to TH1 cells. 
E)  activate CD8+ cells to CTLs.

Question 16

Plasma cells will eventually differentiate into memory cells.

Accepted Answer

A) True 
 B)False

Question 17

The production of interferons at an infection site is critical for chemotaxis.

Accepted Answer

A) True 
 B)False

Question 18

The variable region of the antibody is solely responsible the significant diversity of antigen targets.

Accepted Answer

A) True 
 B)False

Question 19

What type of immunity results 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 20

Thymic selection

Accepted Answer

A)  destroys B cells that make antibodies against self. 
B)  activates B cells. 
C)  destroys MHC molecules. 
D)  destroys T cells that do not recognize self-molecules of MHC. 
E)  destroys CD4+ cells that attack self. 
A)  destroys B cells that make antibodies against self. 
B)  activates B cells. 
C)  destroys MHC molecules. 
D)  destroys T cells that do not recognize self-molecules of MHC. 
E)  destroys CD4+ cells that attack self.

Exam 17: Adaptive Immunity: Specific Defenses of the Host

Apoptosis results in significant leakage of cellular contents.

Which of the following bacterial components would most likely result in B cell stimulation by T-independent antigens?

A Treg cell deficiency could result in

The specificity of an antibody is due to

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

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

An antibodyʹs Fc region can be bound by

Which of the following WBCs are NOT lymphocytes?

A very ill 48 year old man comes to the Emergency Room and is diagnosed with pneumonia and thrush. Suspicious, the attending physician orders an HIV antibody test which comes back positive within a few hours. Why does a patient with acquired immunodeficiency have antibodies to HIV?

The antibodies found in mucus, saliva, and tears are

Figure 17.2 -In Figure 17.2, which areas are different for all IgM antibodies?

What adaptive immune responses, if any, could one expect to function normally in a human born without a thymus?

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

The antibodies that can bind to large parasites are

Cytokines released by TH1 cells

Plasma cells will eventually differentiate into memory cells.

The production of interferons at an infection site is critical for chemotaxis.

The variable region of the antibody is solely responsible the significant diversity of antigen targets.

What type of immunity results from vaccination?

Thymic selection

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 Dna Technology

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 Disease of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

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