Question 1

Which of the following is true of innate immunity?

Accepted Answer

A)  It is associated only with external components. 
B)  It is highly specific. 
C)  both a and b 
D)  neither a nor b 
A)  It is associated only with external components. 
B)  It is highly specific. 
C)  both a and b 
D)  neither a nor b

Question 2

Which of the following is true of adhesion molecules?

Accepted Answer

A)  They are covalently bound to the T-cell receptor 
B)  They help bind an antigen to the T-cell receptor 
C)  both a nor b 
D)  neither a nor b 
A)  They are covalently bound to the T-cell receptor 
B)  They help bind an antigen to the T-cell receptor 
C)  both a nor b 
D)  neither a nor b

Question 3

HIV, the virus which causes AIDS, primarily attacks which part of the immune system?

Accepted Answer

A)  B cells 
B)  dendritic cells 
C)  macrophages 
D)  T cells 
A)  B cells 
B)  dendritic cells 
C)  macrophages 
D)  T cells

Question 4

Antiviral drugs against HIV have been developed to do which of the following?

Accepted Answer

A)  destroy the virus before it enters a host cell 
B)  inhibit the reverse transcriptase 
C)  both a and b 
D)  neither a nor b 
A)  destroy the virus before it enters a host cell 
B)  inhibit the reverse transcriptase 
C)  both a and b 
D)  neither a nor b

Question 5

Which of the following does not describe the role of dendritic cells during the response to combat a injected virus?

Accepted Answer

A)  engulf and ingest the injected virus 
B)  release cytokines 
C)  migrate to the lymph nodes 
D)  induce maturation of T cells into helper and killer forms 
E)  All of these do charactize the role of dendritic cells. 
A)  engulf and ingest the injected virus 
B)  release cytokines 
C)  migrate to the lymph nodes 
D)  induce maturation of T cells into helper and killer forms 
E)  All of these do charactize the role of dendritic cells.

Question 6

APC refers to which of the following?

Accepted Answer

A)  antibody presenting cells 
B)  antibody processing cells 
C)  antigen presenting cells 
D)  antigen processing cells 
A)  antibody presenting cells 
B)  antibody processing cells 
C)  antigen presenting cells 
D)  antigen processing cells

Question 7

Which of the following is true?

Accepted Answer

A)  B cells are lymphocytes, but T cells are not 
B)  T cells are lymphocytes, but B cells are not. 
C)  Both B cells and T cells are lymphocytes. 
D)  Neither B cells nor T cells are lymphocytes. 
A)  B cells are lymphocytes, but T cells are not 
B)  T cells are lymphocytes, but B cells are not. 
C)  Both B cells and T cells are lymphocytes. 
D)  Neither B cells nor T cells are lymphocytes.

Question 8

Which of the following is true of adaptive immunity when an invader is encountered for the second time?

Accepted Answer

A)  The first and second responses are both slow. 
B)  The first response is faster than the second. 
C)  The second response is faster than the first. 
D)  There is no need for a second response. 
A)  The first and second responses are both slow. 
B)  The first response is faster than the second. 
C)  The second response is faster than the first. 
D)  There is no need for a second response.

Question 9

Which of the following can be antigens?

Accepted Answer

A)  nucleic acids 
B)  polysaccharides 
C)  proteins 
D)  all of these 
A)  nucleic acids 
B)  polysaccharides 
C)  proteins 
D)  all of these

Question 10

In the name CD3, the letters "CD" stand for which of the following?

Accepted Answer

A)  cell destroyer 
B)  cluster determinant 
C)  cluster disperser 
D)  compact dimer 
A)  cell destroyer 
B)  cluster determinant 
C)  cluster disperser 
D)  compact dimer

Question 11

Lymphocytes are a specialized form of which of the following?

Accepted Answer

A)  dendritic cells 
B)  macrophages 
C)  red blood cells 
D)  white blood cells 
A)  dendritic cells 
B)  macrophages 
C)  red blood cells 
D)  white blood cells

Question 12

Which of the following is the best way to classify cytokines?

Accepted Answer

A)  their mode of action 
B)  their origin 
C)  their structure 
D)  their target 
A)  their mode of action 
B)  their origin 
C)  their structure 
D)  their target

Question 13

Which immunoglobulins attack invaders before they get to the blood stream?

Accepted Answer

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

Question 14

Monoclonal antibodies are used in the diagnosis of which of the following?

Accepted Answer

A)  AIDS 
B)  breast cancer 
C)  leukemia 
D)  none of these 
A)  AIDS 
B)  breast cancer 
C)  leukemia 
D)  none of these

Question 15

Which of the following is not a problem associated with the use of antibiotics?

Accepted Answer

A)  Overuse can lead to antibiotic resistant strains of bacteria. 
B)  Patients often do not develop a true immune response to the disease. 
C)  Patients often do not recognize the difference between bacterial diseases and viral diseases. 
D)  None, these are all problems with the use of antibiotics. 
A)  Overuse can lead to antibiotic resistant strains of bacteria. 
B)  Patients often do not develop a true immune response to the disease. 
C)  Patients often do not recognize the difference between bacterial diseases and viral diseases. 
D)  None, these are all problems with the use of antibiotics.

Question 16

If a particular immunoglobulin heavy chain has 50 V genes, 27 D genes and 6 J genes, how many different combinations can be obtained?

Accepted Answer

A)  162 
B)  300 
C)  1350 
D)  8100 
A)  162 
B)  300 
C)  1350 
D)  8100

Question 17

Which kinds of molecules assist in the movement of lymphocytes into the blood?

Accepted Answer

A)  chaperones 
B)  cytokines 
C)  lymphokines 
D)  transporters 
A)  chaperones 
B)  cytokines 
C)  lymphokines 
D)  transporters

Question 18

Secondary control on the proliferation of T cells is provided by which of the following?

Accepted Answer

A)  tyrosine kinase deactivation 
B)  phosphatase activation 
C)  both a and b 
D)  neither a nor b 
A)  tyrosine kinase deactivation 
B)  phosphatase activation 
C)  both a and b 
D)  neither a nor b

Question 19

Which of the following is true of cytokines?

Accepted Answer

A)  They are highly specific antibodies. 
B)  They are long lived. 
C)  They are stored in cells. 
D)  None of these is correct. 
A)  They are highly specific antibodies. 
B)  They are long lived. 
C)  They are stored in cells. 
D)  None of these is correct.

Question 20

How does HIV avoid detection by the immune system?

Accepted Answer

A)  Its outer membrane borrows proteins from the host. 
B)  It binds proteins similar to its host's proteins to its outer membrane. 
C)  It binds sugars similar to its host's sugars to its outer membrane. 
D)  It does not avoid detection, but simply overpowers the innate immunity. 
A)  Its outer membrane borrows proteins from the host. 
B)  It binds proteins similar to its host's proteins to its outer membrane. 
C)  It binds sugars similar to its host's sugars to its outer membrane. 
D)  It does not avoid detection, but simply overpowers the innate immunity.

Exam 31: Immunochemistry

Which of the following is true of innate immunity?

Which of the following is true of adhesion molecules?

HIV, the virus which causes AIDS, primarily attacks which part of the immune system?

Antiviral drugs against HIV have been developed to do which of the following?

Which of the following does not describe the role of dendritic cells during the response to combat a injected virus?

APC refers to which of the following?

Which of the following is true?

Which of the following is true of adaptive immunity when an invader is encountered for the second time?

Which of the following can be antigens?

In the name CD3, the letters "CD" stand for which of the following?

Lymphocytes are a specialized form of which of the following?

Which of the following is the best way to classify cytokines?

Which immunoglobulins attack invaders before they get to the blood stream?

Monoclonal antibodies are used in the diagnosis of which of the following?

Which of the following is not a problem associated with the use of antibiotics?

If a particular immunoglobulin heavy chain has 50 V genes, 27 D genes and 6 J genes, how many different combinations can be obtained?

Which kinds of molecules assist in the movement of lymphocytes into the blood?

Secondary control on the proliferation of T cells is provided by which of the following?

Which of the following is true of cytokines?

How does HIV avoid detection by the immune system?

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