Question 1

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

Accepted Answer

A) True 
 B)False  False

Question 2

Which of the following statements is FALSE?

Accepted Answer

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

Question 3

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. E

Question 4

Which of the following destroys virus- infected cells?

Accepted Answer

A)  Treg 
B)  CTL 
C)  B cells 
D)  dendritic cells 
E)  TH 
A)  Treg 
B)  CTL 
C)  B cells 
D)  dendritic cells 
E)  TH

Question 5

Plasma cells are activated by a(n)

Accepted Answer

A)  T cell. 
B)  B cell. 
C)  APC. 
D)  memory cell. 
E)  antigen. 
A)  T cell. 
B)  B cell. 
C)  APC. 
D)  memory cell. 
E)  antigen.

Question 6

The antibodies found on the surface of B cells, and which always exist as monomers, are

Accepted Answer

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

Question 7

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

Accepted Answer

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

Question 8

A person has antibodies against the measles virus. Identify three ways in which these antibodies could be acquired.

Accepted Answer

A person can acquire antibodies against

Question 9

Positive diagnosis of AIDS is made when a patient has antibodies against the human immunodeficiency virus (HIV). Why does a patient have an immune deficiency if he or she is making antibodies?

Accepted Answer

The presence of antibodies against HIV i

Question 10

Which of the following is the best definition of antigen?

Accepted Answer

A)  a chemical that elicits an antibody response and can combine with these antibodies 
B)  a chemical that combines with antibodies 
C)  a protein that combines with antibodies 
D)  a pathogen 
E)  something foreign in the body 
A)  a chemical that elicits an antibody response and can combine with these antibodies 
B)  a chemical that combines with antibodies 
C)  a protein that combines with antibodies 
D)  a pathogen 
E)  something foreign in the body

Question 11

At a minimum, the human immune system is capable of recognizing approximately how many different antigens?

Accepted Answer

A)  105  
B)  1010  
C)  1015  
D)  1020  
E)  1025 
A)  105  
B)  1010  
C)  1015  
D)  1020  
E)  1025

Question 12

ADCC is a process that is most effective in destroying

Accepted Answer

A)  eukaryotic pathogens. 
B)  bacterial toxins. 
C)  extracellular viruses. 
D)  virus- infected host cells. 
E)  bacterial pathogens. 
A)  eukaryotic pathogens. 
B)  bacterial toxins. 
C)  extracellular viruses. 
D)  virus- infected host cells. 
E)  bacterial pathogens.

Question 13

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 14

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

Accepted Answer

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

Question 15

Figure 17.1
  
-In Figure 17.1, the arrow at time (c) indicates

Accepted Answer

A)  the primary response. 
B)  the T- cell response. 
C)  exposure to a new antigen. 
D)  the time of exposure to the same antigen as at time (a). 
E)  the secondary response. 
A)  the primary response. 
B)  the T- cell response. 
C)  exposure to a new antigen. 
D)  the time of exposure to the same antigen as at time (a). 
E)  the secondary response.

Question 16

An antibody's Fc region can be bound by

Accepted Answer

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

Question 17

Cytokine storms negatively impact human health.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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 20

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

Accepted Answer

A) True 
 B)False

Exam 17: Adaptive Immunity: Specific Defenses of the Host

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

Which of the following statements is FALSE?

The antibodies that can bind to large parasites are

Which of the following destroys virus- infected cells?

Plasma cells are activated by a(n)

The antibodies found on the surface of B cells, and which always exist as monomers, are

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

A person has antibodies against the measles virus. Identify three ways in which these antibodies could be acquired.

Positive diagnosis of AIDS is made when a patient has antibodies against the human immunodeficiency virus (HIV). Why does a patient have an immune deficiency if he or she is making antibodies?

Which of the following is the best definition of antigen?

At a minimum, the human immune system is capable of recognizing approximately how many different antigens?

ADCC is a process that is most effective in destroying

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

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

Figure 17.1 -In Figure 17.1, the arrow at time (c) indicates

An antibody's Fc region can be bound by

Cytokine storms negatively impact human health.

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

The antibodies found in mucus, saliva, and tears are

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

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

Filters