Question 1

An allergen is a(n)

Accepted Answer

A)  antibody. 
B)  macrophage. 
C)  lymphokine. 
D)  antigen. 
A)  antibody. 
B)  macrophage. 
C)  lymphokine. 
D)  antigen. D

Question 2

Which group is incorrect?

Accepted Answer

A)  first line of defense:skin,mucous membrane,tears,sneezing 
B)  specific immunity:B cells,T cells 
C)  mechanical barriers:skin,mucous membrane 
D)  chemical barriers:tears,saliva,stomach acid,B cells,T cells 
A)  first line of defense:skin,mucous membrane,tears,sneezing 
B)  specific immunity:B cells,T cells 
C)  mechanical barriers:skin,mucous membrane 
D)  chemical barriers:tears,saliva,stomach acid,B cells,T cells D

Question 3

Which of the following is most associated with a low plasma level of antibodies?

Accepted Answer

A)  the "booster" response 
B)  the primary response 
C)  an autoimmune response 
D)  anaphylaxis 
A)  the "booster" response 
B)  the primary response 
C)  an autoimmune response 
D)  anaphylaxis B

Question 4

Which group is incorrect?

Accepted Answer

A)  mechanical barriers:skin,mucous membrane 
B)  protective proteins:interferons,complement proteins 
C)  nonspecific immunity:inflammation,NK cells,fever,T cells 
D)  signs of inflammation:redness,heat,swelling,pain 
A)  mechanical barriers:skin,mucous membrane 
B)  protective proteins:interferons,complement proteins 
C)  nonspecific immunity:inflammation,NK cells,fever,T cells 
D)  signs of inflammation:redness,heat,swelling,pain

Question 5

What is the name of the toxin that has been altered so that it is harmless,yet still antigenic?

Accepted Answer

A)  vaccine 
B)  antibody 
C)  gamma globulin 
D)  toxoid 
A)  vaccine 
B)  antibody 
C)  gamma globulin 
D)  toxoid

Question 6

A booster

Accepted Answer

A)  increases antibodies to an antigen. 
B)  stimulates the liver to detoxify antigens. 
C)  kills a pathogen. 
D)  conveys passive immunity. 
A)  increases antibodies to an antigen. 
B)  stimulates the liver to detoxify antigens. 
C)  kills a pathogen. 
D)  conveys passive immunity.

Question 7

Which of the following conditions is most common in people with AIDS (acquired immunodeficiency syndrome)?

Accepted Answer

A)  anaphylaxis 
B)  autoimmune diseases 
C)  infections 
D)  hypertension 
A)  anaphylaxis 
B)  autoimmune diseases 
C)  infections 
D)  hypertension

Question 8

A breastfed infant is initially immune to the same diseases as her mom.Which of the following describes the infant's immunity?

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 9

Binding of the bee venom allergen to antibodies on the mast cells causes a massive release of which substance?

Accepted Answer

A)  vaccine 
B)  histamine 
C)  bilirubin 
D)  intrinsic factor 
A)  vaccine 
B)  histamine 
C)  bilirubin 
D)  intrinsic factor

Question 10

Which of the following indicates why you will not get chickenpox as an adult if you were infected as a child?

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 11

The purpose of vaccination is to provide an initial exposure to an antigen to stimulate the formation of ___________.

Accepted Answer

A)  killer T cells 
B)  complement 
C)  anaphylaxis 
D)  memory cells 
A)  killer T cells 
B)  complement 
C)  anaphylaxis 
D)  memory cells

Question 12

Which cells secrete a lymphokine that stimulates both T and B cells?

Accepted Answer

A)  platelets 
B)  killer T cells 
C)  erythrocytes 
D)  helper T cells 
A)  platelets 
B)  killer T cells 
C)  erythrocytes 
D)  helper T cells

Question 13

A vaccine

Accepted Answer

A)  is a gamma globulin. 
B)  conveys active immunity. 
C)  contains antibodies. 
D)  is the same as an antitoxin. 
A)  is a gamma globulin. 
B)  conveys active immunity. 
C)  contains antibodies. 
D)  is the same as an antitoxin.

Question 14

Which of the following is true of activation of mast cells?

Accepted Answer

A)  causes the release of epinephrine 
B)  is necessary for T-cell activation 
C)  prevents the development of anaphylaxis 
D)  causes the release of histamine 
A)  causes the release of epinephrine 
B)  is necessary for T-cell activation 
C)  prevents the development of anaphylaxis 
D)  causes the release of histamine

Question 15

Which of the following represents specific immunity?

Accepted Answer

A)  inflammation 
B)  interferons 
C)  natural killer cells 
D)  B and T cells 
A)  inflammation 
B)  interferons 
C)  natural killer cells 
D)  B and T cells

Question 16

Which of the following is the treatment of choice for an anaphylactic reaction?

Accepted Answer

A)  a bronchoconstricting agent 
B)  gamma globulin 
C)  epinephrine 
D)  histamine 
A)  a bronchoconstricting agent 
B)  gamma globulin 
C)  epinephrine 
D)  histamine

Question 17

Because antibodies are carried by the blood,this type of immunity is also called

Accepted Answer

A)  immunotolerance. 
B)  cell-mediated immunity. 
C)  humoral immunity. 
D)  autoimmunity. 
A)  immunotolerance. 
B)  cell-mediated immunity. 
C)  humoral immunity. 
D)  autoimmunity.

Question 18

This cell engages in cell-to-cell combat.

Accepted Answer

A)  erythrocyte 
B)  platelet 
C)  B cell 
D)  T cell 
A)  erythrocyte 
B)  platelet 
C)  B cell 
D)  T cell

Question 19

What is the name of a severe hypersensitivity reaction?

Accepted Answer

A)  cyanosis 
B)  immunocompetence 
C)  autoimmunity 
D)  anaphylaxis 
A)  cyanosis 
B)  immunocompetence 
C)  autoimmunity 
D)  anaphylaxis

Question 20

B and T cells are

Accepted Answer

A)  tonsils. 
B)  lymphocytes. 
C)  lymph nodes. 
D)  antibodies. 
A)  tonsils. 
B)  lymphocytes. 
C)  lymph nodes. 
D)  antibodies.

Exam 21: Immune System

An allergen is a(n)

Which group is incorrect?

Which of the following is most associated with a low plasma level of antibodies?

Which group is incorrect?

What is the name of the toxin that has been altered so that it is harmless,yet still antigenic?

A booster

Which of the following conditions is most common in people with AIDS (acquired immunodeficiency syndrome)?

A breastfed infant is initially immune to the same diseases as her mom.Which of the following describes the infant's immunity?

Binding of the bee venom allergen to antibodies on the mast cells causes a massive release of which substance?

Which of the following indicates why you will not get chickenpox as an adult if you were infected as a child?

The purpose of vaccination is to provide an initial exposure to an antigen to stimulate the formation of ___________.

Which cells secrete a lymphokine that stimulates both T and B cells?

A vaccine

Which of the following is true of activation of mast cells?

Which of the following represents specific immunity?

Which of the following is the treatment of choice for an anaphylactic reaction?

Because antibodies are carried by the blood,this type of immunity is also called

This cell engages in cell-to-cell combat.

What is the name of a severe hypersensitivity reaction?

B and T cells are

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