Question 1

The immune system normally discriminates between __________ antigens.

Accepted Answer

A) self and nonself 
B) B and T cells 
C) humoral and cell-mediated 
D) primary and secondary response 
A) self and nonself 
B) B and T cells 
C) humoral and cell-mediated 
D) primary and secondary response A

Question 2

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

Accepted Answer

self antigens

Question 3

Which of the following is not normally capable of virus neutralization?

Accepted Answer

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

Question 4

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 5

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.

Question 6

Which of the following types of immunoglobulins is most abundant in serum?

Accepted Answer

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

Question 7

When an individual's immune system comes into contact with an appropriate antigenic stimulus during the course of daily activities,this is called

Accepted Answer

A) naturally acquired passive immunity. 
B) naturally acquired active immunity. 
C) artificially acquired active immunity. 
D) artificially acquired passive immunity. 
A) naturally acquired passive immunity. 
B) naturally acquired active immunity. 
C) artificially acquired active immunity. 
D) artificially acquired passive immunity.

Question 8

The __________ chains are structurally distinct for each immunoglobulin class.

Accepted Answer

The answer of The __________ chains are structurally distinct for...

Question 9

Which enzyme inserts nucleotides at the V-J junction to add further diversity?

Accepted Answer

A) DNA polymerase 
B) the RAG enzymes 
C) reverse transcriptase 
D) terminal deoxynucleotidyl transferase 
A) DNA polymerase 
B) the RAG enzymes 
C) reverse transcriptase 
D) terminal deoxynucleotidyl transferase

Question 10

Pentameric IgM activates complement up to 20-fold more effectively than does the hexameric form of IgM.

Accepted Answer

A) True 
 B)False

Question 11

Adaptive immunity refers to the type of specific immunity that

Accepted Answer

A) develops after exposure to antigen. 
B) can result from transfer of antibodies from one individual to another. 
C) can be induced by natural or artificial means. 
D) all of the choices 
A) develops after exposure to antigen. 
B) can result from transfer of antibodies from one individual to another. 
C) can be induced by natural or artificial means. 
D) all of the choices

Question 12

The changeover in production from IgM to IgG by an activated B cell is called a __________ __________ event.

Accepted Answer

The answer of The changeover in production from IgM to...

Question 13

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 14

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 15

Type _________ hypersensitivity involves delayed,cell-mediated immune reactions.

Accepted Answer

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

Question 16

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 17

Which of the following prevents some bacteria from adhering to mucosal surfaces?

Accepted Answer

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

Question 18

Most known superantigens are glycolipids.

Accepted Answer

A) True 
 B)False

Question 19

Penicillin is a good example of a hapten.

Accepted Answer

A) True 
 B)False

Question 20

The only immunoglobulin class with members able to cross the placental barrier is

Accepted Answer

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

Exam 34: Adaptive Immunity

The immune system normally discriminates between __________ antigens.

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

Which of the following is not normally capable of virus neutralization?

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

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

Which of the following types of immunoglobulins is most abundant in serum?

When an individual's immune system comes into contact with an appropriate antigenic stimulus during the course of daily activities,this is called

The __________ chains are structurally distinct for each immunoglobulin class.

Which enzyme inserts nucleotides at the V-J junction to add further diversity?

Pentameric IgM activates complement up to 20-fold more effectively than does the hexameric form of IgM.

Adaptive immunity refers to the type of specific immunity that

The changeover in production from IgM to IgG by an activated B cell is called a __________ __________ event.

The humoral immune response defends against

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

Type _________ hypersensitivity involves delayed,cell-mediated immune reactions.

Which type of hypersensitivity is IgE-mediated?

Which of the following prevents some bacteria from adhering to mucosal surfaces?

Most known superantigens are glycolipids.

Penicillin is a good example of a hapten.

The only immunoglobulin class with members able to cross the placental barrier is

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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" _ .

The changeover in production from IgM to IgG by an activated B cell is called a event.