Immunity Question Preview (ID: 41199)
Immunity.
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Adaptive immunity differs from innate immunity by:
a) having specificity
b) having memory
c) both of these
d) none of theses
T cells are a major contributor to the:
a) cell-mediated response
b) antibody-mediated response
c) both of these
d) none of these
Small part of an antigen that triggers the immune response is:
a) a hapten
b) epitope
c) repeating subunits
d) none of these
An antigen presenting cell
a) is a macrophage
b) B cell
c) dendritic cell (Langerhans cell0
d) None of these
These cell have CD4 on their surface and recognize antigen fragments associated with MHC-ll molecules
a) Cytotoxic (killer) cells
b) Helper T cells
c) Antibodies
d) Cyclosporines
Receiving a vaccination is
a) Naturally acquired active immunity
b) Artificially acquired passive immunity
c) Naturally acquired passive immunity
d) Artificially acquired active immunity
B cells distroy microbes directly
a) True
b) False
c)
d)
Once activated, B cells differentiate into
a) Killer T cells
b) Helper T cells
c) Plasma cells
d) Antibodies
With second exposure to the same antigen, the response is usually
a) quicker
b) slower
c) at the same rate
d) None of these
Most cells have MHC-l
a) True
b) False
c)
d)
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