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artificially acquired active immunity
What type of immunity results from transfer of antibodies from one individual to a susceptible
... [Show More] individual by means of injection?
A) innate immunity
B) naturally acquired active immunity
C) naturally acquired passive immunity
D) artificially acquired active immunity
E) artificially acquired passive immunity
artificially acquired passive immunity
What type of immunity results from recovery from mumps?
A) innate immunity
B) naturally acquired active immunity
C) naturally acquired passive immunity
D) artificially acquired active immunity
E) artificially acquired passive immunity
naturally acquired active immunity
Which of the following is the best definition of epitope?
A) specific regions on antigens that interact with T-cell receptors
B) specific regions on antigens that interact with MHC class molecules
C) specific regions on antigens that interact with haptens
D) specific regions on antigens that interact with antibodies
E) specific regions on antigens that interact with perforins
specific regions on antigens that interact with haptens
Newborns' immunity due to the transfer of antibodies across the placenta is an example of
A) innate immunity.
B) naturally acquired active immunity.
C) naturally acquired passive immunity.
D) artificially acquired active immunity.
E) artificially acquired passive immunity
naturally acquired passive immunity
Which of the following statements is NOT a possible outcome of antigen-antibody reaction?
A) clonal deletion
B) activation of complement
C) opsonization
D) ADCC
E) agglutination
clonal deletion
Which of the following cells is NOT an APC?
A) dentritic cells
B) macrophages
C) mature B cells
D) natural killer cells
E) None of the answers is correct; all of these are APCs
natural killer cells
When an antibody binds to a toxin, the resulting action is referred to as
A) agglutination.
B) opsonization.
C) ADCC.
D) apoptosis.
E) neutralization
neutralization
CD4+ T cells are activated by
A) interaction between CD4+ and MHC II.
B) interaction between TCRs and MHC II.
C) cytokines released by dendritic cells.
D) cytokines released by B cells.
E) complement
interaction between CD4+ and MHC II
Which of the following recognizes antigens displayed on host cells with MHC II?
A) TC cell
B) B cell
C) TH cell
D) natural killer cell
E) basophil
TH cell
The specificity of an antibody is due to
A) its valence.
B) the H chains.
C) the L chains.
D) the constant portions of the H and L chains.
E) the variable portions of the H and L chains
the variable portions of the H and L chains
Which of the following is NOT a characteristic of B cells?
A) They originate in bone marrow.
B) They have antibodies on their surfaces.
C) They are responsible for the memory response.
D) They are responsible for antibody formation.
E) They recognize antigens associated with MHC I
they recognize antigens associated with MHC I
Which of the following is NOT a characteristic of cellular immunity?
A) The cells originate in bone marrow.
B) Cells are processed in the thymus gland.
C) It can inhibit the immune response.
D) B cells make antibodies.
E) T cells react with antigens
B cells make antibodies
Plasma cells are activated by a(n)
A) antigen.
B) T cell.
C) B cell.
D) memory cell.
E) APC
antigen
The antibodies found in mucus, saliva, and tears are
A) IgG.
B) IgM.
C) IgA.
D) IgD.
E) IgE
IgA
The antibodies found almost entirely and only on the surface of B cells (not secreted from them), and which always exist as monomers, are
A) IgG.
B) IgM.
C) IgA.
D) IgD.
E) IgE
IgD
The antibodies that can bind to large parasites are
A) IgG.
B) IgM.
C) IgA.
D) IgD.
E) IgE
IgE
In addition to IgG, the antibodies that can fix complement are
A) IgM.
B) IgA.
C) IgD.
D) IgE.
E) None of the answers is correct
IgM
Large antibodies that agglutinate antigens are
A) IgG.
B) IgM.
C) IgA.
D) IgD.
E) IgE
IgM
The most abundant class of antibodies in serum is
A) IgG.
B) IgM.
C) IgA.
D) IgD.
E) IgE
IgG
In Figure 17.1, which letter on the graph indicates the patient's secondary response to a repeated exposure with the identical antigen?
A) a
B) b
C) c
D) d
E) e
c
In Figure 17.1, which letter on the graph indicates the highest antibody titer during the patient's response to a second and distinct/different antigen?
A) a
B) b
C) c
D) d
E) e
e
In Figure 17.1, the arrow at time (c) indicates
A) the time of exposure to the same antigen as at time (a).
B) the secondary response.
C) the primary response.
D) exposure to a new antigen.
E) the T-cell response
the secondary response [Show Less]