Question 1

The white blood cells primarily responsible for adaptive immunity are

Accepted Answer

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

Question 2

The degree to which a molecule is antigenic is largely a function of the (shape/complexity/simplicity/repetition) of the molecule.

Accepted Answer

The answer of The degree to which a molecule is...

Question 3

Leukocytes migrate to a site of infection in response to

Accepted Answer

A)  chemokines. 
B)  interferon alpha. 
C)  bradykinins. 
D)  tumor necrosis factor (TNF). 
E)  interleukin 10 (IL-10). 
A)  chemokines. 
B)  interferon alpha. 
C)  bradykinins. 
D)  tumor necrosis factor (TNF). 
E)  interleukin 10 (IL-10).

Question 4

The ability of the body to respond faster and more effectively to a second exposure to pathogens is called immunologic (memory/synapse/tolerance).

Accepted Answer

The answer of The ability of the body to respond...

Question 5

Major histocompatibility antigens are

Accepted Answer

A)  antigens attached to foreign invaders. 
B)  glycoproteins found in the cytoplasmic membranes of most vertebrate animal cells. 
C)  antigens that must be processed by cells called histiocytes in order to be recognized by the immune system. 
D)  not really antigens, but rather antibodies produced to mask foreign antigens. 
E)  antigens that provoke allergic reactions. 
A)  antigens attached to foreign invaders. 
B)  glycoproteins found in the cytoplasmic membranes of most vertebrate animal cells. 
C)  antigens that must be processed by cells called histiocytes in order to be recognized by the immune system. 
D)  not really antigens, but rather antibodies produced to mask foreign antigens. 
E)  antigens that provoke allergic reactions.

Question 6

The Fc portion of an antibody is formed by

Accepted Answer

A)  portions of both of the heavy chains only. 
B)  the light chains only. 
C)  the variable regions of the heavy chains. 
D)  one heavy chain. 
E)  the variable regions of the light chains. 
A)  portions of both of the heavy chains only. 
B)  the light chains only. 
C)  the variable regions of the heavy chains. 
D)  one heavy chain. 
E)  the variable regions of the light chains.

Question 7

Cytokines are soluble regulatory proteins that act as intercellular signals and include substances such as interleukins, interferon, and growth factors.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following statements regarding the cell-mediated immune response is TRUE?

Accepted Answer

A)  Cytotoxic T lymphocytes kill by producing hydrogen peroxide. 
B)  Cytotoxic T lymphocytes interact with antibodies that have bound antigen to identify their target. 
C)  Helper T lymphocytes have no role in the activation of cytotoxic T lymphocytes. 
D)  A single cytotoxic T lymphocyte can kill many target cells. 
E)  Cytotoxic T lymphocytes do not require antigen presentation to become activated. 
A)  Cytotoxic T lymphocytes kill by producing hydrogen peroxide. 
B)  Cytotoxic T lymphocytes interact with antibodies that have bound antigen to identify their target. 
C)  Helper T lymphocytes have no role in the activation of cytotoxic T lymphocytes. 
D)  A single cytotoxic T lymphocyte can kill many target cells. 
E)  Cytotoxic T lymphocytes do not require antigen presentation to become activated.

Question 9

TCRs only recognize antigens presented by APC; therefore, (BCR/MHC/Th1) molecules ultimately determine which epitopes elicit an immune response.

Accepted Answer

The answer of TCRs only recognize antigens presented by APC;...

Question 10

Antibody molecules are produced by (B/plasma/T) cells.

Accepted Answer

The answer of Antibody molecules are produced by (B/plasma/T) cells....

Question 11

The antibody function known as (agglutination/neutralization/opsonization) is illustrated here.

Accepted Answer

The answer of   The antibody function known as...

Question 12

After an initial exposure to a pathogen, the phenomenon of produces a faster, more effective response to subsequent exposures.

Accepted Answer

A)  clonal selection 
B)  immunological memory 
C)  self-tolerance 
D)  immunological synapse 
E)  clonal deletion 
A)  clonal selection 
B)  immunological memory 
C)  self-tolerance 
D)  immunological synapse 
E)  clonal deletion

Question 13

What will be the direct result of the interaction shown in this figure? (This interaction is occurring in a lymph node.)

Accepted Answer

A)  activation of a B lymphocyte 
B)  activation of a helper T lymphocyte 
C)  activation of a cytotoxic T lymphocyte 
D)  clonal deletion of a B lymphocyte 
E)  clonal deletion of a T lymphocyte 
A)  activation of a B lymphocyte 
B)  activation of a helper T lymphocyte 
C)  activation of a cytotoxic T lymphocyte 
D)  clonal deletion of a B lymphocyte 
E)  clonal deletion of a T lymphocyte

Question 14

What type of immunity is produced by the body when a person contracts a disease?

Accepted Answer

A)  artificially acquired passive immunity 
B)  naturally acquired active immunity 
C)  innate immunity 
D)  naturally acquired passive immunity 
E)  artificially acquired active immunity 
A)  artificially acquired passive immunity 
B)  naturally acquired active immunity 
C)  innate immunity 
D)  naturally acquired passive immunity 
E)  artificially acquired active immunity

Question 15

Virus infections result in activation of B cells as well as activation of Tc cells. Explain how a B cell response to virus may be useful in fighting virus infections.

Accepted Answer

The virions (virus particles) produced d

The white blood cells primarily responsible for adaptive immunity are

The degree to which a molecule is antigenic is largely a function of the (shape/complexity/simplicity/repetition) of the molecule.

Leukocytes migrate to a site of infection in response to

The ability of the body to respond faster and more effectively to a second exposure to pathogens is called immunologic (memory/synapse/tolerance).

Major histocompatibility antigens are

The Fc portion of an antibody is formed by

Cytokines are soluble regulatory proteins that act as intercellular signals and include substances such as interleukins, interferon, and growth factors.

Which of the following statements regarding the cell-mediated immune response is TRUE?

TCRs only recognize antigens presented by APC; therefore, (BCR/MHC/Th1) molecules ultimately determine which epitopes elicit an immune response.

Antibody molecules are produced by (B/plasma/T) cells.

The antibody function known as (agglutination/neutralization/opsonization) is illustrated here.

After an initial exposure to a pathogen, the phenomenon of produces a faster, more effective response to subsequent exposures.

What will be the direct result of the interaction shown in this figure? (This interaction is occurring in a lymph node.)

What type of immunity is produced by the body when a person contracts a disease?

Virus infections result in activation of B cells as well as activation of Tc cells. Explain how a B cell response to virus may be useful in fighting virus infections.

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant Dna Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Immunization and Immune Testing

Aids and Other Immune Disorders

Microbial Diseases of the Skin and Wounds

Microbial Diseases of the Nervous System and Eyes

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Environmental Microbiology

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Exam 16: Adaptive Immunity

The white blood cells primarily responsible for adaptive immunity are

The degree to which a molecule is antigenic is largely a function of the (shape/complexity/simplicity/repetition) of the molecule.

Leukocytes migrate to a site of infection in response to

The ability of the body to respond faster and more effectively to a second exposure to pathogens is called immunologic (memory/synapse/tolerance).

Major histocompatibility antigens are

The Fc portion of an antibody is formed by

Cytokines are soluble regulatory proteins that act as intercellular signals and include substances such as interleukins, interferon, and growth factors.

Which of the following statements regarding the cell-mediated immune response is TRUE?

TCRs only recognize antigens presented by APC; therefore, (BCR/MHC/Th1) molecules ultimately determine which epitopes elicit an immune response.

Antibody molecules are produced by (B/plasma/T) cells.

The antibody function known as (agglutination/neutralization/opsonization) is illustrated here.

After an initial exposure to a pathogen, the phenomenon of produces a faster, more effective response to subsequent exposures.

What will be the direct result of the interaction shown in this figure? (This interaction is occurring in a lymph node.)

What type of immunity is produced by the body when a person contracts a disease?

Virus infections result in activation of B cells as well as activation of Tc cells. Explain how a B cell response to virus may be useful in fighting virus infections.

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant Dna Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Immunization and Immune Testing

Aids and Other Immune Disorders

Microbial Diseases of the Skin and Wounds

Microbial Diseases of the Nervous System and Eyes

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Environmental Microbiology

Filters