8. In which of the following cell mediated immunity (CMI) participates?
A.Delayed hypersensitivity reaction
B.Graft versus host reaction
C.Allograft rejection
D.All of the above
9. Overactivity of Th cells may result into
A.autoimmunity
B.optimal antibody response
C.optimal cell-mediated response
D.none of the above
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