Question 1

The most abundant class of antibodies in serum is _____.

Accepted Answer

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

Question 2

Human B lymphocytes mature in an intestinal region called the bursa.

Accepted Answer

A) True 
 B)False

Question 3

The immunoglobulin class that is the only one capable of crossing the placenta is ______.

Accepted Answer

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

Question 4

Antitoxins

Accepted Answer

A) are always genetically engineered. 
B) confer passive immunity. 
C) contain select antigenic components of a pathogen rather than whole cells or viruses. 
D) utilize DNA strands that will produce the antigen. 
E) contain modified bacterial exotoxin molecules. 
A) are always genetically engineered. 
B) confer passive immunity. 
C) contain select antigenic components of a pathogen rather than whole cells or viruses. 
D) utilize DNA strands that will produce the antigen. 
E) contain modified bacterial exotoxin molecules.

Question 5

Autoimmune disorders are characterized by immune destruction of self tissues.The underlying basis of these disorders is

Accepted Answer

A) lack of an anamnestic response. 
B) an overproduction of complement. 
C) a lack of immune tolerance. 
D) an oversecretion of antibodies from memory B cells. 
A) lack of an anamnestic response. 
B) an overproduction of complement. 
C) a lack of immune tolerance. 
D) an oversecretion of antibodies from memory B cells.

Question 6

The adaptive immune response differs from the innate response in that

Accepted Answer

A) memory. 
B) B and T lymphocytes can each target multiple proteins, whereas the innate response targets only a single type of antigen. 
C) the adaptive immune response involves physical barriers and nonspecific processes, whereas the innate immune response relies on the actions of B and T lymphocytes. 
D) the innate immune response targets a specific immunogen and remembers it to mount an even stronger response on subsequent encounters with that immunogen, whereas the adaptive response is nonspecific and has no memory. 
A) memory. 
B) B and T lymphocytes can each target multiple proteins, whereas the innate response targets only a single type of antigen. 
C) the adaptive immune response involves physical barriers and nonspecific processes, whereas the innate immune response relies on the actions of B and T lymphocytes. 
D) the innate immune response targets a specific immunogen and remembers it to mount an even stronger response on subsequent encounters with that immunogen, whereas the adaptive response is nonspecific and has no memory.

Question 7

What process generates many B cells and T cells that are activated against specific antigens?

Accepted Answer

A) Antigen expression 
B) Antigen presentation 
C) Clonal expansion 
D) Antibody production 
E) Opsonization 
A) Antigen expression 
B) Antigen presentation 
C) Clonal expansion 
D) Antibody production 
E) Opsonization

Question 8

The major histocompatibility complex is

Accepted Answer

A) a set of glycoproteins, called MHC antigens, found on all body cells. 
B) a set of genes that code for MHC glycoproteins. 
C) found on the third chromosome. 
D) located in the thymus gland. 
E) All of the choices are correct. 
A) a set of glycoproteins, called MHC antigens, found on all body cells. 
B) a set of genes that code for MHC glycoproteins. 
C) found on the third chromosome. 
D) located in the thymus gland. 
E) All of the choices are correct.

Question 9

The hinge region of an antibody has a hypervariable amino acid region where the antigenic determinant fits.

Accepted Answer

A) True 
 B)False

Question 10

Small foreign molecules that are too small by themselves to elicit an immune response are termed ______.

Accepted Answer

A) haptens 
B) antigen binding sites 
C) epitopes 
D) variable regions 
A) haptens 
B) antigen binding sites 
C) epitopes 
D) variable regions

Question 11

An example of artificial passive immunity would be

Accepted Answer

A) chickenpox infection, followed by lifelong immunity. 
B) chickenpox vaccine triggering extended immunity to chickenpox. 
C) giving a person immune serum globulins to chickenpox virus after exposure to the disease. 
D) a fetus acquiring maternal IgG to the chickenpox virus across the placenta. 
A) chickenpox infection, followed by lifelong immunity. 
B) chickenpox vaccine triggering extended immunity to chickenpox. 
C) giving a person immune serum globulins to chickenpox virus after exposure to the disease. 
D) a fetus acquiring maternal IgG to the chickenpox virus across the placenta.

Question 12

The array of potential antibodies to the variety of possible antigens is amazing.Which statement explains this development?

Accepted Answer

A) Mutations in the antibody gene occur within the activated B cells, since they meet the antigen. 
B) The existing antibody molecules change their shapes, allowing them to fit with a large number of antigens. 
C) There is a shuffling of genes that code for self markers as well as nonself markers, mixing them together and producing reactive lymphocytes to those markers. 
D) Recombination of genes coding for the variable regions of immunoglobulins occurs during the developmental stage of lymphocyte production. 
A) Mutations in the antibody gene occur within the activated B cells, since they meet the antigen. 
B) The existing antibody molecules change their shapes, allowing them to fit with a large number of antigens. 
C) There is a shuffling of genes that code for self markers as well as nonself markers, mixing them together and producing reactive lymphocytes to those markers. 
D) Recombination of genes coding for the variable regions of immunoglobulins occurs during the developmental stage of lymphocyte production.

Question 13

Clonal selection requires the presence of foreign antigens.

Accepted Answer

A) True 
 B)False

The most abundant class of antibodies in serum is _____.

Human B lymphocytes mature in an intestinal region called the bursa.

The immunoglobulin class that is the only one capable of crossing the placenta is ______.

Antitoxins

Autoimmune disorders are characterized by immune destruction of self tissues.The underlying basis of these disorders is

The adaptive immune response differs from the innate response in that

What process generates many B cells and T cells that are activated against specific antigens?

The major histocompatibility complex is

The hinge region of an antibody has a hypervariable amino acid region where the antigenic determinant fits.

Small foreign molecules that are too small by themselves to elicit an immune response are termed ______.

An example of artificial passive immunity would be

The array of potential antibodies to the variety of possible antigens is amazing.Which statement explains this development?

Clonal selection requires the presence of foreign antigens.

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods for the Culturing of Microscopic Analysis of Microorganisms

Bacteria and Archaea

Eukaryotic Cells and Microorganisms

An Introduction to the Viruses

Microbial Nutrition, Ecology, and Growth

Microbial Metabolism: The Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering and Recombinant Dna

Physical and Chemical Control of Microbes

Antimicrobial Treatment

Microbe-Human Interactions: Health and Disease

Host Defenses I: Overview and Nonspecific Defenses

Disorders in Immunity

Diagnosing Infections

Infectious Diseases Affecting the Skin and Eyes

Infectious Diseases Affecting the Nervous System

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Infectious Diseases Affecting the Respiratory System

Infectious Diseases Affecting the Gastrointestinal Tract

Infectious Diseases Affecting the Genitourinary System

Microbes and the Environment

Applied Microbiology and Food and Water Safety

Filters

Exam 15: Host Defenses II: Specific Immunity and Immunization

The most abundant class of antibodies in serum is _____.

Human B lymphocytes mature in an intestinal region called the bursa.

The immunoglobulin class that is the only one capable of crossing the placenta is ______.

Antitoxins

Autoimmune disorders are characterized by immune destruction of self tissues.The underlying basis of these disorders is

The adaptive immune response differs from the innate response in that

What process generates many B cells and T cells that are activated against specific antigens?

The major histocompatibility complex is

The hinge region of an antibody has a hypervariable amino acid region where the antigenic determinant fits.

Small foreign molecules that are too small by themselves to elicit an immune response are termed ______.

An example of artificial passive immunity would be

The array of potential antibodies to the variety of possible antigens is amazing.Which statement explains this development?

Clonal selection requires the presence of foreign antigens.

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods for the Culturing of Microscopic Analysis of Microorganisms

Bacteria and Archaea

Eukaryotic Cells and Microorganisms

An Introduction to the Viruses

Microbial Nutrition, Ecology, and Growth

Microbial Metabolism: The Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering and Recombinant Dna

Physical and Chemical Control of Microbes

Antimicrobial Treatment

Microbe-Human Interactions: Health and Disease

Host Defenses I: Overview and Nonspecific Defenses

Disorders in Immunity

Diagnosing Infections

Infectious Diseases Affecting the Skin and Eyes

Infectious Diseases Affecting the Nervous System

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Infectious Diseases Affecting the Respiratory System

Infectious Diseases Affecting the Gastrointestinal Tract

Infectious Diseases Affecting the Genitourinary System

Microbes and the Environment

Applied Microbiology and Food and Water Safety

Filters