What type of hypersensitivity reaction causes rejection of transplanted organs?
A) Immediate IgE-mediated
B) Cytotoxic
C) Immune-complex mediated
D) Delayed-type cell-mediated
E) Cytotoxic OR delayed-type cell-mediated

Question

What type of hypersensitivity reaction causes rejection of transplanted organs?
A) Immediate IgE-mediated
B) Cytotoxic
C) Immune-complex mediated
D) Delayed-type cell-mediated
E) Cytotoxic OR delayed-type cell-mediated

Quizplus · Accepted Answer

Rejection of transplanted organs is mostly caused by delayed-type cell-mediated hypersensitivity reactions, in which sensitized T cells recognize and attack the transplanted tissue.

What Type of Hypersensitivity Reaction Causes Rejection of Transplanted Organs