Question 1

Epitopes or antigenic determinants

Accepted Answer

A)  are parts of the antibody molecule. 
B)  are T cell receptors. 
C)  are parts of an antigen recognized by an antibody. 
D)  are B cell receptors. 
E)  are parts of an antibody recognized by an antigen. 
A)  are parts of the antibody molecule. 
B)  are T cell receptors. 
C)  are parts of an antigen recognized by an antibody. 
D)  are B cell receptors. 
E)  are parts of an antibody recognized by an antigen.

Question 2

How long after initiation of a primary response do significant amounts of antibody appear in the blood?

Accepted Answer

A)  One day 
B)  10-14 days 
C)  4 weeks 
D)  6 months 
E)  48 hours 
A)  One day 
B)  10-14 days 
C)  4 weeks 
D)  6 months 
E)  48 hours

Question 3

T cells mature in the

Accepted Answer

A)  bone marrow. 
B)  thymus. 
C)  Peyer's patches. 
D)  nervous tissue. 
E)  tonsils. 
A)  bone marrow. 
B)  thymus. 
C)  Peyer's patches. 
D)  nervous tissue. 
E)  tonsils.

Question 4

Please identify the incorrect definition.

Accepted Answer

A)  Cytotoxic T cell-type of lymphocyte programmed to destroy infected or cancerous "self" cells. 
B)  Plasma cell-effector form of a B cell; it functions as an antibody-secreting factory. 
C)  T cell receptor-molecule on a T cell that enables the T cell to recognize a specific antigen. 
D)  MHC class II-molecules that cells use to present antigen to cytotoxic T cells. 
E)  Fab region-portion of an antibody molecule that binds to the antigen. 
A)  Cytotoxic T cell-type of lymphocyte programmed to destroy infected or cancerous "self" cells. 
B)  Plasma cell-effector form of a B cell; it functions as an antibody-secreting factory. 
C)  T cell receptor-molecule on a T cell that enables the T cell to recognize a specific antigen. 
D)  MHC class II-molecules that cells use to present antigen to cytotoxic T cells. 
E)  Fab region-portion of an antibody molecule that binds to the antigen.

Question 5

Macrophages and dendritic cells are

Accepted Answer

A)  T cells. 
B)  B cells. 
C)  antigen-presenting cells. 
D)  antibody-producing cells. 
E)  lymphocytes. 
A)  T cells. 
B)  B cells. 
C)  antigen-presenting cells. 
D)  antibody-producing cells. 
E)  lymphocytes.

Question 6

Which of the following is the definition of clonal selection?

Accepted Answer

A)  The killing of antibody-coated target cells by natural killer cells, granulocytes, or macrophages. 
B)  The process in which a lymphocyte's antigen receptor binds to an antigen, allowing the lymphocyte to multiply. 
C)  The process that allows a B cell to change the antibody class it is programmed to make. 
D)  The immune response that protects the mucous membranes, which involves secretory IgA. 
E)  The generation of diversity in antigen specificity through rearrangement of gene segments. 
A)  The killing of antibody-coated target cells by natural killer cells, granulocytes, or macrophages. 
B)  The process in which a lymphocyte's antigen receptor binds to an antigen, allowing the lymphocyte to multiply. 
C)  The process that allows a B cell to change the antibody class it is programmed to make. 
D)  The immune response that protects the mucous membranes, which involves secretory IgA. 
E)  The generation of diversity in antigen specificity through rearrangement of gene segments.

Question 7

Your friend Ellie is pregnant. She tells you that her mother, a microbiologist, has warned her not to clean out the cat's litter box while she is pregnant in case she contracts a disease called toxoplasmosis, which can affect her fetus. She says her mom told her toxoplasmosis is caused by a parasite called Toxoplasma gondii, that may be found in the feces of infected cats and also in raw meat. Your friend's mom tells her that when a person has not had a particular disease, they are not immune to the pathogen that causes the disease, and lack antibodies against that microbe. Your friend has never had toxoplasmosis but she doesn't quite understand why this, and the fact that she doesn't have antibodies to T. gondii, is important. You help her understand some facts about her adaptive immune system.
-You explain to Ellie that when a person is exposed to an antigen, they generate antibodies against the antigen. Antibodies are ________ generated by ______.

Accepted Answer

A)  carbohydrates; plasma cells 
B)  epitopes; plasma cells 
C)  proteins; effector B cells 
D)  carbohydrates; effector B cells 
E)  proteins; effector T cells 
A)  carbohydrates; plasma cells 
B)  epitopes; plasma cells 
C)  proteins; effector B cells 
D)  carbohydrates; effector B cells 
E)  proteins; effector T cells

Question 8

Which of the following is the most abundant immunological class produced?

Accepted Answer

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

Question 9

The stimulation of B cells to divide and mature is provided by

Accepted Answer

A)  T helper cells. 
B)  macrophages. 
C)  T cytotoxic cells. 
D)  plasma cells. 
E)  erythrocytes. 
A)  T helper cells. 
B)  macrophages. 
C)  T cytotoxic cells. 
D)  plasma cells. 
E)  erythrocytes.

Question 10

What happens when a helper T cell is activated?

Accepted Answer

A)  Two populations of cells are formed: helper T cells and cytotoxic T cells; the TH cells activate B cells and the TC  cells target virus-infected cells. 
B)  Two populations of cells are formed: memory TH cells and effector TH cells; the effector TH cells produce a variety of antibodies. 
C)  Two populations of cells are formed: memory TH cells and effector TH cells; the effector TH cells play a role in activating B cells. 
D)  Two populations of cells are formed: effector TH cells and effector TC cells; these work together to activate B cells and macrophages. 
E)  Activated TH cells produce cytokines that stimulate dendritic cells, converting them into antigen-presenting cells. 
A)  Two populations of cells are formed: helper T cells and cytotoxic T cells; the TH cells activate B cells and the TC  cells target virus-infected cells. 
B)  Two populations of cells are formed: memory TH cells and effector TH cells; the effector TH cells produce a variety of antibodies. 
C)  Two populations of cells are formed: memory TH cells and effector TH cells; the effector TH cells play a role in activating B cells. 
D)  Two populations of cells are formed: effector TH cells and effector TC cells; these work together to activate B cells and macrophages. 
E)  Activated TH cells produce cytokines that stimulate dendritic cells, converting them into antigen-presenting cells.

Epitopes or antigenic determinants

How long after initiation of a primary response do significant amounts of antibody appear in the blood?

T cells mature in the

Please identify the incorrect definition.

Macrophages and dendritic cells are

Which of the following is the definition of clonal selection?

Which of the following is the most abundant immunological class produced?

The stimulation of B cells to divide and mature is provided by

What happens when a helper T cell is activated?

Humans and the Microbial World

The Molecules of Life

Microscopy and Cell Structure

Dynamics of Microbial Growth

Control of Microbial Growth

Microbial Metabolism: Fueling Cell Growth

The Blueprint of Life, from DNA to Protein

Bacterial Genetics

Biotechnology

Identifying and Classifying Microorganisms

The Diversity of Bacteria and Archaea

The Eukaryotic Members of the Microbial World

Viruses, Viroids, and Prions

The Innate Immune Response

Host-Microbe Interactions

Immunological Disorders

Applications of Immune Responses

Epidemiology

Antimicrobial Medications

Respiratory System Infections

Skin Infections

Wound Infections

Digestive System Infections

Blood and Lymphatic Infections

Nervous System Infections

Genitourinary Tract Infections

Microbial Ecology

Environmental Microbiology: Treatment of Water, Wastes, and Polluted Habitats

Food Microbiology

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Exam 15: The Adaptive Immune Response

Epitopes or antigenic determinants

How long after initiation of a primary response do significant amounts of antibody appear in the blood?

T cells mature in the

Please identify the incorrect definition.

Macrophages and dendritic cells are

Which of the following is the definition of clonal selection?

Which of the following is the most abundant immunological class produced?

The stimulation of B cells to divide and mature is provided by

What happens when a helper T cell is activated?

Humans and the Microbial World

The Molecules of Life

Microscopy and Cell Structure

Dynamics of Microbial Growth

Control of Microbial Growth

Microbial Metabolism: Fueling Cell Growth

The Blueprint of Life, from DNA to Protein

Bacterial Genetics

Biotechnology

Identifying and Classifying Microorganisms

The Diversity of Bacteria and Archaea

The Eukaryotic Members of the Microbial World

Viruses, Viroids, and Prions

The Innate Immune Response

Host-Microbe Interactions

Immunological Disorders

Applications of Immune Responses

Epidemiology

Antimicrobial Medications

Respiratory System Infections

Skin Infections

Wound Infections

Digestive System Infections

Blood and Lymphatic Infections

Nervous System Infections

Genitourinary Tract Infections

Microbial Ecology

Environmental Microbiology: Treatment of Water, Wastes, and Polluted Habitats

Food Microbiology

Filters