The hypersensitivity reaction involved in the hyperacute rejection of renal transplant is:
Correct Answer: Type II
Description: Types of graft rejection Type Onset Mechanism Type of Hypersensitivity Hyperacute Immediate Preformed antibodies directed against donor tissue II Acute Days to weeks Mediated by T cells and antibodies that are activated by alloantigens in the graft IV Chronic Months to years T cells that react against graft alloantigens and secrete cytokines, alloantibodies also contribute to chronic rejection. III & IV
Category:
Pathology
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