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Quiz 3
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Q.1
What will happen to the Anergic T helper ?
May bind with B lymphocytes
Will be reabsorbed in the secondary lymphoid organ
Remain in circulation functionless till apoptosis
May get activated when the CD28 is expressed adequately the next time
Q.2
Signal 0 is ----------------------
Binding of antigen to MHC II in APC
Presence of specific molecular patterns in presented antigens
Phagosome formation
Transfer of T cells to Secondary lymphoid organs
Q.3
Conditions required for successful activation of T helper
Presence of signal 0
Presence of inadequate amount of CD28
Formation of microclusters of TCR complex in T helper
All of above
Q.4
Autocrine signalling happens during ------------------- of T helper cells
MHC II binding with TCR
Synthesis of CD28
Differentiation of T helper
None of the above
Q.5
The antibody that exists as a pentamer
IgG
IgE
IgD
IgM
Q.6
The antibody that is usually seen in secretions
IgA
IgD
IgM
IgE
Q.7
HAPTENS are also known as
BSA
Oil in water emulsions
ISCOMs
Partial antigens
Q.8
Agglutination reaction is seen in
Blood grouping
Gel precipitation
Soluble antigens
All of the options
Q.9
Variable region of antibodies are located on
Fc portion
Constant region
Fab portion
Light chains only
Q.10
An epitope is located on
Antibody
Antigen
Both antibody and antigen
None of these
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