Question 1

Live, attenuated vaccines

Accepted Answer

A)  include the Sabin polio vaccine.
B)  include the measles, mumps, rubella vaccine (MMR) .
C)  contain viable microbes that can multiply in the person.
D)  require smaller doses and fewer boosters compared to inactivated vaccines.
E)  All of the choices are correct. E

Question 2

The antibody-secreting progeny cells of a B-cell clone are called

Accepted Answer

A)  plasma cells.
B)  antibodies.
C)  bursa cells.
D)  activated macrophages.
E)  sensitized T cells.

Question 3

After secreting antibodies during an immune response, plasma cells then differentiate into memory cells.

Accepted Answer

A) True 
 B)False

Question 4

During which response to the antigen do we display a latent period of no secretory antibody synthesis?

Accepted Answer

A)  Primary
B)  Secondary
C)  Tertiary
D)  Quaternary

Question 5

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

Accepted Answer

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

Question 6

A foreign molecule that causes a specific immune response is a(n)  ______.

Accepted Answer

A)  PAMP
B)  marker
C)  antigen
D)  hapten
E)  antibody C

Question 7

Class I MHC genes code for

Accepted Answer

A)  self receptors recognized by T lymphocytes.
B)  all HLA antigens.
C)  receptors located primarily on macrophages and B cells.
D)  certain secreted complement components.

Question 8

Which process involves antibodies covering surface receptors on a virus or toxin molecule, thereby disrupting their activity?

Accepted Answer

A)  Opsonization
B)  Neutralization
C)  Complement fixation
D)  Agglutination
E)  Anamnestic response

Question 9

Specific immunity provides long-lasting protection through the production of _____.

Accepted Answer

A)  memory cells
B)  plasma cells
C)  T helper cells
D)  antibodies
E)  phagocytotic cells

Question 10

An example of natural active immunity would be

Accepted Answer

A)  chickenpox infection, followed by lifelong immunity.
B)  giving a person immune serum globulins to chickenpox virus after exposure to the disease.
C)  a fetus acquiring maternal IgG to the chickenpox virus across the placenta.
D)  chickenpox vaccine triggering extended immunity to chickenpox.

Question 11

The immunoglobulin class that has an Fc region that binds to receptors on basophils and mast cells is ______.

Accepted Answer

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

Question 12

All of the following are characteristics of IgM except

Accepted Answer

A)  it can serve as a B-cell receptor.
B)  it is a dimer.
C)  it is the first class synthesized by a plasma cell.
D)  it has 10 antigen binding sites.
E)  it contains a central J chain.

Question 13

A patient enters your clinic with a suspected helminthic infection.In support of this diagnosis, you suspect elevated levels of which antibody in the patient's serum?

Accepted Answer

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

Question 14

The molecular fragment on an antigen molecule that a lymphocyte recognizes and responds to is called a(n)  ______.

Accepted Answer

A)  hapten
B)  antigen binding site
C)  variable region
D)  epitope

Question 15

Which of the following is not a target for TC cells?

Accepted Answer

A)  Pig transplanted heart
B)  Human transplanted liver
C)  Virus-infected cells
D)  Cancer cells
E)  Bacteria

Question 16

Lymphocyte maturation involves

Accepted Answer

A)  hormonal signals that initiate development.
B)  B cells maturing in bone marrow sites.
C)  T cells maturing in the thymus.
D)  release of mature lymphocytes to begin migration to various lymphoid organs.
E)  All of the choices are correct.

Question 17

In order for B cells to produce antibodies and cytotoxic T cells to attack infected host cells, they must first

Accepted Answer

A)  recognize self markers, develop specificity for the markers, and then produce clones.
B)  be activated by interleukins, encounter an antigen, and then develop specificity toward it.
C)  encounter an antigen, develop specificity for that antigen, and then remember the antigen.
D)  undergo maturation, encounter their specific antigen target, and then become activated through cytokines.

Question 18

B and T lymphocytes are specific; they have only a single type of cell marker on their surface.

Accepted Answer

A) True 
 B)False  False

Question 19

Fluzone is a brand name for a very commonly given influenza vaccine.The vaccine is prepared by first harvesting flu viruses in chicken embryos and then breaking apart virus particles into protein subunits, thereby inactivating the virus.Your friend refuses to get the vaccine.Which of these statements is the only valid reason for her not to get the flu vaccine?

Accepted Answer

A)  She could pass the virus onto her baby, causing the child to become autistic.
B)  She is allergic to eggs.
C)  She could catch the flu from the inactivated vaccine.
D)  She could die from the vaccine.

Question 20

Vaccinia virus is often used in the technique to make

Accepted Answer

A)  a booster.
B)  gamma globulin.
C)  an adjuvant.
D)  a "Trojan horse" recombinant vaccine.
E)  antibodies to toxin.

Exam 15: Host Defenses II: Specific Immunity and Immunization

Live, attenuated vaccines

Correct Answer
verified
E

The antibody-secreting progeny cells of a B-cell clone are called

Correct Answer
verified

After secreting antibodies during an immune response, plasma cells then differentiate into memory cells.

Correct Answer
verified

During which response to the antigen do we display a latent period of no secretory antibody synthesis?

Correct Answer
verified

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

Correct Answer
verified

A foreign molecule that causes a specific immune response is a(n) ______.

Correct Answer
verified
C

Class I MHC genes code for

Correct Answer
verified

Which process involves antibodies covering surface receptors on a virus or toxin molecule, thereby disrupting their activity?

Correct Answer
verified

Specific immunity provides long-lasting protection through the production of _____.

Correct Answer
verified

An example of natural active immunity would be

Correct Answer
verified

The immunoglobulin class that has an Fc region that binds to receptors on basophils and mast cells is ______.

Correct Answer
verified

All of the following are characteristics of IgM except

Correct Answer
verified

A patient enters your clinic with a suspected helminthic infection.In support of this diagnosis, you suspect elevated levels of which antibody in the patient's serum?

Correct Answer
verified

The molecular fragment on an antigen molecule that a lymphocyte recognizes and responds to is called a(n) ______.

Correct Answer
verified

Which of the following is not a target for T_C cells?

Correct Answer
verified

Lymphocyte maturation involves

Correct Answer
verified

In order for B cells to produce antibodies and cytotoxic T cells to attack infected host cells, they must first

Correct Answer
verified

B and T lymphocytes are specific; they have only a single type of cell marker on their surface.

Correct Answer
verified
False

Correct Answer
verified

Vaccinia virus is often used in the technique to make

Correct Answer
verified

Exam 15: Host Defenses II: Specific Immunity and Immunization

Live, attenuated vaccines

Correct AnswerverifiedE

The antibody-secreting progeny cells of a B-cell clone are called

Correct AnswerverifiedShow Answer

After secreting antibodies during an immune response, plasma cells then differentiate into memory cells.

Correct AnswerverifiedShow Answer

During which response to the antigen do we display a latent period of no secretory antibody synthesis?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A foreign molecule that causes a specific immune response is a(n) ______.

Correct AnswerverifiedC

Class I MHC genes code for

Correct AnswerverifiedShow Answer

Which process involves antibodies covering surface receptors on a virus or toxin molecule, thereby disrupting their activity?

Correct AnswerverifiedShow Answer

Specific immunity provides long-lasting protection through the production of _____.

Correct AnswerverifiedShow Answer

An example of natural active immunity would be

Correct AnswerverifiedShow Answer

The immunoglobulin class that has an Fc region that binds to receptors on basophils and mast cells is ______.

Correct AnswerverifiedShow Answer

All of the following are characteristics of IgM except

Correct AnswerverifiedShow Answer

A patient enters your clinic with a suspected helminthic infection.In support of this diagnosis, you suspect elevated levels of which antibody in the patient's serum?

Correct AnswerverifiedShow Answer

The molecular fragment on an antigen molecule that a lymphocyte recognizes and responds to is called a(n) ______.

Correct AnswerverifiedShow Answer

Which of the following is not a target for TC cells?

Correct AnswerverifiedShow Answer

Lymphocyte maturation involves

Correct AnswerverifiedShow Answer

In order for B cells to produce antibodies and cytotoxic T cells to attack infected host cells, they must first

Correct AnswerverifiedShow Answer

B and T lymphocytes are specific; they have only a single type of cell marker on their surface.

Correct AnswerverifiedFalse

Correct AnswerverifiedShow Answer

Vaccinia virus is often used in the technique to make

Correct AnswerverifiedShow Answer

Correct Answer
verified
E

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Which of the following is not a target for T_C cells?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
False

Correct Answer
verified

Correct Answer
verified