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Pathophys Test 2
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What is the
role of antibodies vs. T-lymphocytes
in
immune response
? (p.1-5)
Antibodies (Class II antigens) – prevent disease
o
Not MHC restricted
o
B-cells mature in lymphoid tissue
and
circulate in plasma as mature B-cells
o
Once exposed to antigen
, turn into
plasma cells
and
secrete antibodies
T-lymphocytes (Class I antigens) – help recover from infection
o Responsible for
cellular immunity
o
MHC restrictive
o
Must be exposed to antigens
in order to be
educated and reactive
Between
antibodies and T cells
,
which ones would be responsible for person’s
recovery
from
most viral infections
?
T-lymphocytes
What about
prevention of disease process
?
B-lymphocytes –antibodies
Are
antibodies able to bind circulating free antigens
?
Yes.
Antigens bind to FC receptor on antibody.
Are
T cells able to bind circulating free antigens
?
No.
T-cells attack antigen-infected cells to aid recovery.
Author
cgordon05
ID
12580
Card Set
Pathophys Test 2
Description
Antibodies and T Lymphocytes
Updated
2010-03-31T02:38:13Z
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