Question 1

Which immunoglobulin class/es can fix complement?

Accepted Answer

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

Question 2

After secreting antibodies during an immune response, plasma cells then differentiate into memory cells.

Accepted Answer

A) True 
 B)False  False

Question 3

Superantigens are

Accepted Answer

A) body tissues that the immune system mistakes as foreign. 
B) cell markers found in some member of a species but not in other members. 
C) bacterial toxins that activate T cells at a 100 times greater rate than other antigens. 
D) those that evoke allergic reactions. 
E) None of the choices are correct. 
A) body tissues that the immune system mistakes as foreign. 
B) cell markers found in some member of a species but not in other members. 
C) bacterial toxins that activate T cells at a 100 times greater rate than other antigens. 
D) those that evoke allergic reactions. 
E) None of the choices are correct. C

Question 4

All of the following characterize the secondary response to an antigen except

Accepted Answer

A) a higher titer of antibody is produced than the primary response. 
B) a longer persistence of antibody than with the primary response. 
C) a quicker rate of antibody synthesis than the primary response. 
D) it is mostly IgM antibodies that are produced. 
E) it is also known as the anamnestic response. 
A) a higher titer of antibody is produced than the primary response. 
B) a longer persistence of antibody than with the primary response. 
C) a quicker rate of antibody synthesis than the primary response. 
D) it is mostly IgM antibodies that are produced. 
E) it is also known as the anamnestic response.

Question 5

Which process involves antibodies coating microorganisms in order to facilitate phagocytosis?

Accepted Answer

A) Neutralization 
B) Opsonization 
C) Complement fixation 
D) Agglutination 
E) Anamnestic response 
A) Neutralization 
B) Opsonization 
C) Complement fixation 
D) Agglutination 
E) Anamnestic response

Question 6

A disadvantage of using an attenuated live microbe in a vaccine is that it can conceivably mutate back to a virulent strain.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following conditions have been conclusively proven to be linked to childhood vaccinations?

Accepted Answer

A) Autism 
B) Diabetes 
C) Asthma 
D) All of the choices are correct. 
E) None of the choices are correct. 
A) Autism 
B) Diabetes 
C) Asthma 
D) All of the choices are correct. 
E) None of the choices are correct.

Question 8

Reliable vaccines exist for all of the following diseases except

Accepted Answer

A) Malaria. 
B) Botulism. 
C) Cholera. 
D) Yellow fever. 
E) Rabies. 
A) Malaria. 
B) Botulism. 
C) Cholera. 
D) Yellow fever. 
E) Rabies.

Question 9

In the secondary response to an antigen, the predominant antibody is

Accepted Answer

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

Question 10

Helper T cells

Accepted Answer

A) secrete antibodies. 
B) function in allergic reactions. 
C) directly destroy target cells. 
D) suppress immune reactions. 
E) activate B cells and other T cells. 
A) secrete antibodies. 
B) function in allergic reactions. 
C) directly destroy target cells. 
D) suppress immune reactions. 
E) activate B cells and other T cells.

Question 11

During presentation of APC-bound antigen, macrophages secrete the cytokine, _____, that activates T helper cells.

Accepted Answer

The answer of During presentation of APC-bound antigen, macrophages secrete...

Question 12

Gamma globulin can be given as immunotherapy to confer artificial passive immunity.

Accepted Answer

A) True 
 B)False

Question 13

The most significant cells in graft rejection are

Accepted Answer

A) helper T cells. 
B) suppressor T cells. 
C) cytotoxic T cells. 
D) B cells. 
E) natural killer (NK) cells. 
A) helper T cells. 
B) suppressor T cells. 
C) cytotoxic T cells. 
D) B cells. 
E) natural killer (NK) cells.

Question 14

Cell surface markers involved in immune reactions

Accepted Answer

A) are the result of genetic expression. 
B) function in recognition of self molecules. 
C) receive and transmit chemical messages among other cells of the system. 
D) aid in cellular development. 
E) all of the choices are correct. 
A) are the result of genetic expression. 
B) function in recognition of self molecules. 
C) receive and transmit chemical messages among other cells of the system. 
D) aid in cellular development. 
E) all of the choices are correct.

Question 15

Which process involves antibodies cross-linking cells or particles into large aggregates?

Accepted Answer

A) Neutralization 
B) Opsonization 
C) Complement fixation 
D) Agglutination 
E) Anamnestic response 
A) Neutralization 
B) Opsonization 
C) Complement fixation 
D) Agglutination 
E) Anamnestic response

Question 16

The molecular fragment on an antigen molecule that a lymphocyte recognizes and responds to is called a/an

Accepted Answer

A) epitope. 
B) hapten. 
C) antigen binding site. 
D) variable region. 
E) None of the choices are correct. 
A) epitope. 
B) hapten. 
C) antigen binding site. 
D) variable region. 
E) None of the choices are correct.

Question 17

Certain body sites contain sequestered molecules, called _____ that escaped assessment during development of immune tolerance and are mistaken as foreign.

Accepted Answer

The answer of Certain body sites contain sequestered molecules, called...

Question 18

Acellular vaccines and subunit vaccines

Accepted Answer

A) contain modified bacterial exotoxin molecules. 
B) are always genetically engineered. 
C) contain select antigenic components of a pathogen rather than whole cells or viruses. 
D) confer passive immunity. 
E) All of the choices are correct. 
A) contain modified bacterial exotoxin molecules. 
B) are always genetically engineered. 
C) contain select antigenic components of a pathogen rather than whole cells or viruses. 
D) confer passive immunity. 
E) All of the choices are correct.

Question 19

Alloantigens are the basis for an individual's blood group and MHC profile.

Accepted Answer

A) True 
 B)False

Question 20

Sam works in construction and stepped on a sharp nail.He can't remember the last time he had a tetanus shot.What type of immunity is the most important for him to receive?

Accepted Answer

A) Natural active immunity 
B) Artificial passive immunity 
C) Natural passive immunity 
D) Artificial active immunity 
E) None of the choices will help him. 
A) Natural active immunity 
B) Artificial passive immunity 
C) Natural passive immunity 
D) Artificial active immunity 
E) None of the choices will help him.

Exam 15: Adaptive, Specific Immunity and Immunization

Which immunoglobulin class/es can fix complement?

After secreting antibodies during an immune response, plasma cells then differentiate into memory cells.

Superantigens are

All of the following characterize the secondary response to an antigen except

Which process involves antibodies coating microorganisms in order to facilitate phagocytosis?

A disadvantage of using an attenuated live microbe in a vaccine is that it can conceivably mutate back to a virulent strain.

Which of the following conditions have been conclusively proven to be linked to childhood vaccinations?

Reliable vaccines exist for all of the following diseases except

In the secondary response to an antigen, the predominant antibody is

Helper T cells

During presentation of APC-bound antigen, macrophages secrete the cytokine, _____, that activates T helper cells.

Gamma globulin can be given as immunotherapy to confer artificial passive immunity.

The most significant cells in graft rejection are

Cell surface markers involved in immune reactions

Which process involves antibodies cross-linking cells or particles into large aggregates?

The molecular fragment on an antigen molecule that a lymphocyte recognizes and responds to is called a/an

Certain body sites contain sequestered molecules, called _____ that escaped assessment during development of immune tolerance and are mistaken as foreign.

Acellular vaccines and subunit vaccines

Alloantigens are the basis for an individual's blood group and MHC profile.

Sam works in construction and stepped on a sharp nail.He can't remember the last time he had a tetanus shot.What type of immunity is the most important for him to receive?

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

An Introduction to Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host-The Elements of Chemotherapy

Microbe-Human Interactions: Infection, Disease, and Epidemiology

An Introduction to Host Defenses and Innate Immunities

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

The Parasites of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

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