Question 1

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) A) and B)
F) A) and C)

Question 2

Edward Jenner's work involved

Accepted Answer

A)   inoculation of dried pus from smallpox pustules into a person to stimulate immunity.
B)   development of passive immunotherapy.
C)   development of an immunization to protect people against cowpox.
D)   immunization using a related, less pathogenic organism to give protection against a more pathogenic one.
E)   All of these choices are correct.F) A) and E)
G) C) and E)

Question 3

The immunoglobulin class that has a dimer form found in mucus, saliva, colostrum, and other body secretions is

Accepted Answer

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

Question 4

Which process involves a more rapid synthesis and greatly increased titer of antibody when the immune system is subsequently exposed to the same antigen?

Accepted Answer

A)   neutralization
B)   opsonization
C)   complement fixation
D)   agglutination
E)   anamnestic responseF) B) and E)
G) B) and D)

Question 5

All of the following are advantages of attenuated vaccines over inactivated vaccines except

Accepted Answer

A)   they require smaller doses.
B)   they require fewer boosters.
C)   they confer longer lasting protection.
D)   they can be transmitted to other people.
E)   they produce infection but not disease.F) B) and E)
G) A) and B)

Question 6

Antibody molecules can act as enzyme to directly destroy an antigen.

Accepted Answer

A) True 
 B)False

Question 7

Which sequence of events is correct for a specific immune response?

Accepted Answer

A)   lymphocyte development, presentation of antigens, antibody production, challenge of B-cells
B)   lymphocyte development, challenge of B-cells, antibody production, presentation of antigens
C)   lymphocyte development, presentation of antigens, B-cell challenge, antibody production
D)   antibody production, lymphocyte production, B-cell challenge, presentation of antigens
E)   presentation of antigens, B-cell challenge, antibody production, lymphocyte developmentF) C) and E)
G) A) and E)

Question 8

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) A) and B)
F) B) and C)

Question 9

The monomer subunit of immunoglobulin molecules has all the following, except

Accepted Answer

A)   two identical heavy polypeptide chains.
B)   two identical light polypeptide chains.
C)   disulfide bonds between polypeptide chains.
D)   four antigen binding sites.
E)   a variable and constant region on each polypeptide chain.F) C) and E)
G) B) and C)

Question 10

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 immunityE) All of the above
F) B) and D)

Question 11

Killed or inactivated vaccines are prepared by

Accepted Answer

A)   removal of virulence genes from the microbe.
B)   treatment with formalin, heat, or radiation.
C)   passage of the pathogen through unnatural hosts or tissue culture.
D)   long-term subculturing of the microbe.
E)   All of these choices are correct.F) B) and E)
G) A) and D)

Question 12

Vaccinia virus is often used in the technique to make

Accepted Answer

A)   adjuvant.
B)   booster.
C)   antibodies to toxin.
D)   gamma globulin.
E)   "Trojan horse" recombinant vaccine.F) D) and E)
G) C) and E)

Question 13

Cell surface markers involved in immune reactions

Accepted Answer

A)   are the result of genetic expression.
B)   function in recognition of self molecules.
C)   participate in communication with other cells of the system.
D)   aid in cellular development.
E)   All of these choices are correct.F) None of the above
G) A) and B)

Question 14

Cody is 4 months old and is given a DTaP injection by his pediatrician as part of the routine immunization schedule. What type of immunity will develop as a result of this?

Accepted Answer

A)   natural active immunity
B)   artificial passive immunity
C)   natural passive immunity
D)   artificial active immunityE) C) and D)
F) All of the above

Question 15

The differences in the classes of immunoglobulins are due primarily to variations in the Fc fragment.

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

Lymphocytes

Accepted Answer

A)   possess MHC antigens for recognizing self.
B)   have membrane receptors that recognize foreign antigens.
C)   gain tolerance to self by destruction of lymphocytes that could react against self.
D)   develop into clones of B and T-cells with extreme variations of specificity.
E)   All of these choices are correct.F) B) and D)
G) A) and D)

Exam 15: Adaptive, Specific Immunity and Immunization

Killed or inactivated vaccines are prepared by

Correct Answer
verified

Which process involves a more rapid synthesis and greatly increased titer of antibody when the immune system is subsequently exposed to the same antigen?

Correct Answer
verified

Superantigens are

Correct Answer
verified

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?

Correct Answer
verified

Edward Jenner's work involved

Correct Answer
verified

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

Correct Answer
verified

Which sequence of events is correct for a specific immune response?

Correct Answer
verified

Lymphocytes

Correct Answer
verified

Vaccinia virus is often used in the technique to make

Correct Answer
verified

Cody is 4 months old and is given a DTaP injection by his pediatrician as part of the routine immunization schedule. What type of immunity will develop as a result of this?

Correct Answer
verified

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

Correct Answer
verified

The monomer subunit of immunoglobulin molecules has all the following, except

Correct Answer
verified

The immunoglobulin class that has a dimer form found in mucus, saliva, colostrum, and other body secretions is

Correct Answer
verified

The differences in the classes of immunoglobulins are due primarily to variations in the Fc fragment.

Correct Answer
verified

Cell surface markers involved in immune reactions

Correct Answer
verified

All of the following are advantages of attenuated vaccines over inactivated vaccines except

Correct Answer
verified

Antibody molecules can act as enzyme to directly destroy an antigen.

Correct Answer
verified

Exam 15: Adaptive, Specific Immunity and Immunization

Killed or inactivated vaccines are prepared by

Correct AnswerverifiedShow Answer

Which process involves a more rapid synthesis and greatly increased titer of antibody when the immune system is subsequently exposed to the same antigen?

Correct AnswerverifiedShow Answer

Superantigens are

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

Edward Jenner's work involved

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which sequence of events is correct for a specific immune response?

Correct AnswerverifiedShow Answer

Lymphocytes

Correct AnswerverifiedShow Answer

Vaccinia virus is often used in the technique to make

Correct AnswerverifiedShow Answer

Cody is 4 months old and is given a DTaP injection by his pediatrician as part of the routine immunization schedule. What type of immunity will develop as a result of this?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The monomer subunit of immunoglobulin molecules has all the following, except

Correct AnswerverifiedShow Answer

The immunoglobulin class that has a dimer form found in mucus, saliva, colostrum, and other body secretions is

Correct AnswerverifiedShow Answer

The differences in the classes of immunoglobulins are due primarily to variations in the Fc fragment.

Correct AnswerverifiedShow Answer

Cell surface markers involved in immune reactions

Correct AnswerverifiedShow Answer

All of the following are advantages of attenuated vaccines over inactivated vaccines except

Correct AnswerverifiedShow Answer

Antibody molecules can act as enzyme to directly destroy an antigen.

Correct AnswerverifiedShow Answer

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