Question 1

Which of the following statements is NOT a possible outcome of antigen-antibody reaction?

Accepted Answer

A)  agglutination 
B)  opsonization 
C)  activation of complement 
D)  ADCC 
E)  clonal deletion 
A)  agglutination 
B)  opsonization 
C)  activation of complement 
D)  ADCC 
E)  clonal deletion

Question 2

Which of the following statements is FALSE?

Accepted Answer

A)  The Fc region attaches to a host cell. 
B)  The constant region of a heavy chain is the same for all antibodies. 
C)  The variable region of a light chain is partially responsible for binding with antigen. 
D)  The variable region of a heavy chain is partially responsible for binding with antigen. 
E)  All of the answers are correct. 
A)  The Fc region attaches to a host cell. 
B)  The constant region of a heavy chain is the same for all antibodies. 
C)  The variable region of a light chain is partially responsible for binding with antigen. 
D)  The variable region of a heavy chain is partially responsible for binding with antigen. 
E)  All of the answers are correct.

Question 3

When haptens attach to carrier molecules, an epitope forms on hapten which then can be bound to antibody.

Accepted Answer

A) True 
 B)False

Question 4

When an antibody binds to a toxin, the resulting action is referred to as

Accepted Answer

A)  agglutination. 
B)  neutralization. 
C)  opsonization. 
D)  apoptosis. 
E)  ADCC. 
A)  agglutination. 
B)  neutralization. 
C)  opsonization. 
D)  apoptosis. 
E)  ADCC.

Question 5

Cytokines are protein-based chemical messengers that allow for communication between cells of the immune system.

Accepted Answer

A) True 
 B)False

Question 6

Apoptosis results in significant leakage of cellular contents.

Accepted Answer

A) True 
 B)False

Question 7

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 8

What type of immunity results from transfer of antibodies from one individual to a susceptible individual by means of injection?

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 9

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 10

The implementation of vaccinations occurred prior to experimental support for the germ theory of disease.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following statements about natural killer cells is FALSE?

Accepted Answer

A)  They destroy tumor cells. 
B)  They are stimulated by an antigen. 
C)  They destroy virus-infected cells. 
D)  They destroy cells lacking MHC I. 
E)  None of the answers are correct; all of these statements are true. 
A)  They destroy tumor cells. 
B)  They are stimulated by an antigen. 
C)  They destroy virus-infected cells. 
D)  They destroy cells lacking MHC I. 
E)  None of the answers are correct; all of these statements are true.

Question 12

Large antibodies that agglutinate antigens are

Accepted Answer

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

Question 13

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 14

ADCC is a process that is most effective in destroying

Accepted Answer

A)  extracellular viruses. 
B)  bacterial toxins. 
C)  eukaryotic pathogens. 
D)  bacterial pathogens. 
E)  prions. 
A)  extracellular viruses. 
B)  bacterial toxins. 
C)  eukaryotic pathogens. 
D)  bacterial pathogens. 
E)  prions.

Question 15

Cytokine storms negatively impact human health.

Accepted Answer

A) True 
 B)False

Question 16

What type of immunity results from recovery from mumps?

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

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 18

Figure 17.1
  
-In Figure 17.1, which letter on the graph indicates the patientʹs secondary response to a repeated exposure with the identical antigen?

Accepted Answer

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

Question 19

Memory cells do not require B cell receptors.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following statements about IL-12 is FALSE?

Accepted Answer

A)  It activates macrophages. 
B)  It activates the TH1 pathway. 
C)  It causes TH cells to respond to HIV. 
D)  It causes autoimmune diseases. 
E)  It inhibits some tumor cells. 
A)  It activates macrophages. 
B)  It activates the TH1 pathway. 
C)  It causes TH cells to respond to HIV. 
D)  It causes autoimmune diseases. 
E)  It inhibits some tumor cells.

Exam 17: Adaptive Immunity: Specific Defenses of the Host

Which of the following statements is NOT a possible outcome of antigen-antibody reaction?

Which of the following statements is FALSE?

When haptens attach to carrier molecules, an epitope forms on hapten which then can be bound to antibody.

When an antibody binds to a toxin, the resulting action is referred to as

Cytokines are protein-based chemical messengers that allow for communication between cells of the immune system.

Apoptosis results in significant leakage of cellular contents.

A Treg cell deficiency could result in

What type of immunity results from transfer of antibodies from one individual to a susceptible individual by means of injection?

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

The implementation of vaccinations occurred prior to experimental support for the germ theory of disease.

Which of the following statements about natural killer cells is FALSE?

Large antibodies that agglutinate antigens are

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

ADCC is a process that is most effective in destroying

Cytokine storms negatively impact human health.

What type of immunity results from recovery from mumps?

An antibodyʹs Fc region can be bound by

Figure 17.1 -In Figure 17.1, which letter on the graph indicates the patientʹs secondary response to a repeated exposure with the identical antigen?

Memory cells do not require B cell receptors.

Which of the following statements about IL-12 is FALSE?

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

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

Innate Immunity: Nonspecific Defenses of the Host

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