Question 1

Match the description of a vaccine in questions with the correct type of vaccine (A-G).
-Good induction of mucosal immunity but risk of developing a viral disease,especially in immunocompromised hosts

Accepted Answer

A)  Live attenuated or killed bacteria
B)  Live attenuated oral virus
C)  Synthetic viral subunit vaccines
D)  Conjugate vaccines
E)  Recombinant viral vectorsF) DNA vaccinesG) Purified subunit vaccines B

Question 2

Some viruses evade CTL-mediated immunity by expressing molecules that have which of the following actions?

Accepted Answer

A)  Inhibition of the TAP peptide transporter
B)  Inhibition of proteolysis of the invariant chain
C)  Stimulation of proteasome activity
D)  Activation of immune regulatory factors (IRFs) 
E)  Inhibition of IL-5 production A

Question 3

For each of the descriptions of immune mechanisms in questions ,select the immune mechanism (A-D)that correctly matches it.
-Innate immunity mechanism for preventing viral infection of cells

Accepted Answer

A)  Type I interferons (IFN-a,IFN-b) 
B)  CD8+ cytolytic T lymphocyte
C)  Antibody
D)  Natural killer cell A

Question 4

Match the description of a vaccine in questions with the correct type of vaccine (A-G).
-Induction of a T cell-dependent antibody response to polysaccharides,such as Haemophilus influenzae B and pneumococcal capsular polysaccharides

Accepted Answer

A)  Live attenuated or killed bacteria
B)  Live attenuated oral virus
C)  Synthetic viral subunit vaccines
D)  Conjugate vaccines
E)  Recombinant viral vectorsF) DNA vaccinesG) Purified subunit vaccines

Question 5

For each of the descriptions of immune mechanisms in questions ,select the immune mechanism (A-D)that correctly matches it.
-Innate immunity mechanism for eradicating viraly infected cells

Accepted Answer

A)  Type I interferons (IFN-a,IFN-b) 
B)  CD8+ cytolytic T lymphocyte
C)  Antibody
D)  Natural killer cell

Question 6

For each of the descriptions of immune mechanisms in questions ,select the immune mechanism (A-D)that correctly matches it.
-Adaptive immunity mechanism for preventing a viral infection

Accepted Answer

A)  Type I interferons (IFN-a,IFN-b) 
B)  CD8+ cytolytic T lymphocyte
C)  Antibody
D)  Natural killer cell

Question 7

Match the description of a vaccine in questions with the correct type of vaccine (A-G).
-Composed of viral proteins synthesized from recombinant viral genes

Accepted Answer

A)  Live attenuated or killed bacteria
B)  Live attenuated oral virus
C)  Synthetic viral subunit vaccines
D)  Conjugate vaccines
E)  Recombinant viral vectorsF) DNA vaccinesG) Purified subunit vaccines

Question 8

Match the description of a vaccine in questions with the correct type of vaccine (A-G).
-Composed of a recombinant nonpathogenic virus carrying genes of a pathogenic virus,such as HIV

Accepted Answer

A)  Live attenuated or killed bacteria
B)  Live attenuated oral virus
C)  Synthetic viral subunit vaccines
D)  Conjugate vaccines
E)  Recombinant viral vectorsF) DNA vaccinesG) Purified subunit vaccines

Question 9

For each of the descriptions of immune mechanisms in questions ,select the immune mechanism (A-D)that correctly matches it.
-Adaptive immunity mechanism for eradicating established viral infection

Accepted Answer

A)  Type I interferons (IFN-a,IFN-b) 
B)  CD8+ cytolytic T lymphocyte
C)  Antibody
D)  Natural killer cell

Question 10

A common strategy by which microbes survive their host's immune responses involves changing the structures of the molecules they produce so that they are no longer recognized by the host's immune system.This strategy,called antigenic variation,is most likely to allow evasion of which type of immune recognition?

Accepted Answer

A)  Toll-like receptor-dependent recognition of microbes by cells of the innate immune system
B)  Mannose receptor-dependent recognition of microbes by cells of the innate immune system
C)  Antibody recognition of microbial cell surface molecules
D)  Natural killer cell inhibitory receptor recognition of class I major histocompatibility complex (MH
C)  molecules on infected cells
E)  T cell receptor recognition of microbial cell wall lipid antigens

Question 11

Protection against extracellular bacterial infections such as with staphylococci,and extracellular fungi,,such as with Candida,is in part mediated by which of the rolling types of T cell responses?

Accepted Answer

A)  Cytotoxic T lymphocytes
B)  Th 1 cells
C)  Th2 cells
D)  Th17 cells
E)  Regulatory T cells

Question 12

Match the description of a vaccine in questions with the correct type of vaccine (A-G).
-Composed of antigens purified from microbes or inactivated toxins,such as the tetanus toxoid vaccine

Accepted Answer

A)  Live attenuated or killed bacteria
B)  Live attenuated oral virus
C)  Synthetic viral subunit vaccines
D)  Conjugate vaccines
E)  Recombinant viral vectorsF) DNA vaccinesG) Purified subunit vaccines

Exam 4: Microbial-Immunity

Match the description of a vaccine in questions with the correct type of vaccine (A-G) . -Good induction of mucosal immunity but risk of developing a viral disease,especially in immunocompromised hosts

Some viruses evade CTL-mediated immunity by expressing molecules that have which of the following actions?

For each of the descriptions of immune mechanisms in questions ,select the immune mechanism (A-D) that correctly matches it. -Innate immunity mechanism for preventing viral infection of cells

Match the description of a vaccine in questions with the correct type of vaccine (A-G) . -Induction of a T cell-dependent antibody response to polysaccharides,such as Haemophilus influenzae B and pneumococcal capsular polysaccharides

For each of the descriptions of immune mechanisms in questions ,select the immune mechanism (A-D) that correctly matches it. -Innate immunity mechanism for eradicating viraly infected cells

For each of the descriptions of immune mechanisms in questions ,select the immune mechanism (A-D) that correctly matches it. -Adaptive immunity mechanism for preventing a viral infection

Match the description of a vaccine in questions with the correct type of vaccine (A-G) . -Composed of viral proteins synthesized from recombinant viral genes

Match the description of a vaccine in questions with the correct type of vaccine (A-G) . -Composed of a recombinant nonpathogenic virus carrying genes of a pathogenic virus,such as HIV

For each of the descriptions of immune mechanisms in questions ,select the immune mechanism (A-D) that correctly matches it. -Adaptive immunity mechanism for eradicating established viral infection

Protection against extracellular bacterial infections such as with staphylococci,and extracellular fungi,,such as with Candida,is in part mediated by which of the rolling types of T cell responses?

Match the description of a vaccine in questions with the correct type of vaccine (A-G) . -Composed of antigens purified from microbes or inactivated toxins,such as the tetanus toxoid vaccine