Question 1

The class of immunoglobulin transferred from mother to infant during breast-feeding is

Accepted Answer

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

Question 2

Which of the following is/are true about monoclonal antibodies?

Accepted Answer

A)  they are made by hybridizing a myeloma cell and an activated B cell 
B)  they recognize a specific epitope 
C)  they are a useful tool in disease diagnosis 
D)  all of the choices 
A)  they are made by hybridizing a myeloma cell and an activated B cell 
B)  they recognize a specific epitope 
C)  they are a useful tool in disease diagnosis 
D)  all of the choices D

Question 3

In humans, the antigen-presenting cells include all of the following except

Accepted Answer

A)  eosinophils. 
B)  dendritic cells. 
C)  macrophages. 
D)  B cells. 
A)  eosinophils. 
B)  dendritic cells. 
C)  macrophages. 
D)  B cells. A

Question 4

Most antigens are monovalent.

Accepted Answer

A) True 
 B)False

Question 5

Antibodies can be produced

Accepted Answer

A)  in vivo by natural infections. 
B)  in vivo by immunizations. 
C)  in vitro using hybridomas. 
D)  all of the choices 
A)  in vivo by natural infections. 
B)  in vivo by immunizations. 
C)  in vitro using hybridomas. 
D)  all of the choices

Question 6

Penicillin is a good example of a hapten.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following function(s) as the B cell antigen receptor?

Accepted Answer

A)  IgG 
B)  monomeric IgM 
C)  IgE 
D)  IgA 
A)  IgG 
B)  monomeric IgM 
C)  IgE 
D)  IgA

Question 8

Which of the following mediates inflammation by producing certain specific cytokines?

Accepted Answer

A)  macrophages 
B)  TH1 cells 
C)  TH2 cells 
D)  cytotoxic T cells 
A)  macrophages 
B)  TH1 cells 
C)  TH2 cells 
D)  cytotoxic T cells

Question 9

The humoral immune response defends against

Accepted Answer

A)  bacteria. 
B)  bacterial toxins. 
C)  viruses. 
D)  all of the choices 
A)  bacteria. 
B)  bacterial toxins. 
C)  viruses. 
D)  all of the choices

Question 10

T cells are so named because they mature in the thyroid.

Accepted Answer

A) True 
 B)False

Question 11

Lipopolysaccharides are a common class of T-dependent antigens.

Accepted Answer

A) True 
 B)False

Question 12

Class II major histocompatibility complex molecules are found on all of the following types of cells except

Accepted Answer

A)  T cells. 
B)  B cells. 
C)  macrophages. 
D)  dendritic cells. 
A)  T cells. 
B)  B cells. 
C)  macrophages. 
D)  dendritic cells.

Question 13

Which type of hypersensitivity is IgE-mediated?

Accepted Answer

A)  Type IV 
B)  Type III 
C)  Type II 
D)  Type I 
A)  Type IV 
B)  Type III 
C)  Type II 
D)  Type I

Question 14

Acquired immune tolerance is the body's ability to produce T cells and antibodies against antigens such as microbial antigens, while "tolerating" _________ ________.

Accepted Answer

The answer of Acquired immune tolerance is the body's ability...

Question 15

T cells produce and secrete factors which do not directly interact with invading microorganisms but which augment the body's defense mechanisms. These molecules are called

Accepted Answer

A)  antibodies. 
B)  cytokines. 
C)  immunogens. 
D)  augmetins. 
A)  antibodies. 
B)  cytokines. 
C)  immunogens. 
D)  augmetins.

Question 16

When a presented antigen fragment interacts with the T cell receptor of a helper T cell, the co-receptor that must also participate to finalize recognition is

Accepted Answer

A)  CD4. 
B)  CD8. 
C)  MHC I. 
D)  all of these. 
A)  CD4. 
B)  CD8. 
C)  MHC I. 
D)  all of these.

Question 17

Which of the following is not a function of the Fc portion of the immunoglobulin molecule?

Accepted Answer

A)  binding to host cells including some cells of the immune system and some phagocytic cells 
B)  binding to a component of the complement system 
C)  binding to the antigen 
D)  all of the choices 
A)  binding to host cells including some cells of the immune system and some phagocytic cells 
B)  binding to a component of the complement system 
C)  binding to the antigen 
D)  all of the choices

Question 18

One plasma cell can synthesize more than __________ antibody molecules per hour.

Accepted Answer

A)  10,000 
B)  100,000 
C)  1,000,000 
D)  10,000,000 
A)  10,000 
B)  100,000 
C)  1,000,000 
D)  10,000,000

Question 19

The major histocompatibility complex directs the production of proteins called

Accepted Answer

A)  class I. 
B)  class II. 
C)  class IV. 
D)  both class I and class II. 
E)  both class I and class IV. 
A)  class I. 
B)  class II. 
C)  class IV. 
D)  both class I and class II. 
E)  both class I and class IV.

Question 20

Antigens that depend on the function of T-helper cells are called __________ antigens.

Accepted Answer

The answer of Antigens that depend on the function of...

Exam 33: Specific Adaptive Immunity

The class of immunoglobulin transferred from mother to infant during breast-feeding is

Which of the following is/are true about monoclonal antibodies?

In humans, the antigen-presenting cells include all of the following except

Most antigens are monovalent.

Antibodies can be produced

Penicillin is a good example of a hapten.

Which of the following function(s) as the B cell antigen receptor?

Which of the following mediates inflammation by producing certain specific cytokines?

The humoral immune response defends against

T cells are so named because they mature in the thyroid.

Lipopolysaccharides are a common class of T-dependent antigens.

Class II major histocompatibility complex molecules are found on all of the following types of cells except

Which type of hypersensitivity is IgE-mediated?

Acquired immune tolerance is the body's ability to produce T cells and antibodies against antigens such as microbial antigens, while "tolerating" _________ ________.

T cells produce and secrete factors which do not directly interact with invading microorganisms but which augment the body's defense mechanisms. These molecules are called

When a presented antigen fragment interacts with the T cell receptor of a helper T cell, the co-receptor that must also participate to finalize recognition is

Which of the following is not a function of the Fc portion of the immunoglobulin molecule?

One plasma cell can synthesize more than __________ antibody molecules per hour.

The major histocompatibility complex directs the production of proteins called

Antigens that depend on the function of T-helper cells are called __________ antigens.

The Evolution of Microorganisms and Microbiology

The Study of Microbial Structure: Microscopy and Specimen Preparation

Bacteria and Archaea

Eukaryotic Cell Structure and Function

Viruses and Other Acellular Infectious Agents

Microbial Nutrition

Microbial Growth

Control of Microorganisms in the Environment

Introduction to Metabolism

Catabolism Energy Release and Conservation

Anabolism the Use of Energy in Biosynthesis

Genes Structure, Replication, and Expression

Microbial Genetics Regulation of Gene Expression

Microbial Genetics Mechanisms of Genetic Variation

Recombinant Dna Technology

Microbial Genomics

Microbial Taxonomy and the Evolution of Diversity

The Archaea

Bacteria the Deinococci and Nonproteobacteria Gram Negatives

Bacteria the Proteobacteria

Bacteria the Low G+C Gram Positives

Bacteria the High G+C Gram Positives

The Protists

The Fungi Eumycota

The Viruses

Biogeochemical Cycling

Methods in Microbial Ecology

Microorganisms in Marine and Freshwater Ecosystems

Microorganisms in Terrestrial Ecosystems

Microbial Interactions

Infection and Pathogenicity

Nonspecific Innate Host Resistance

Antimicrobial Chemotherapy

Clinical Microbiology and Immunology

Epidemiology and Public Health Microbiology

Human Diseases Caused by Viruses and Prions

Human Diseases Caused by Bacteria

Human Diseases Caused by Fungi and Protists

Microbiology of Food

Industrial Microbiology

Applied Environmental Microbiology

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Acquired immune tolerance is the body's ability to produce T cells and antibodies against antigens such as microbial antigens, while "tolerating" _ .