Most organ transplants fail because
A)of poor vascular connection between host and donor tissue.
B)the migrating leukocytes attack the tissue adjacent to the transplant.
C)cytotoxic T cells enter the transplant through the connecting blood vessels and kill the individual transplant tissue.
D)introduced tissues produce antibodies that cause a massive reaction.
E)of all of these.

Question

Quizplus · Accepted Answer

Cytotoxic T cells recognize foreign antigens on the transplanted tissue and attack it, leading to transplant rejection. This specific type of rejection is called cell-mediated rejection and is responsible for most organ transplant failures. Poor vascular connection, leukocyte migration, and antibody production also play a role in transplantation complications but are not the primary reason for transplant failure.

Most Organ Transplants Fail Because