In a hyperacute rejection,
A) transplanted cells trigger a massive immune response.
B) antigens from pigs are transplanted onto human cells.
C) several important human proteins are transplanted.
D) environmental conditions cause a massive immune response.
E) a very intense allergic reaction occurs.

Question

Quizplus · Accepted Answer

In hyperacute rejection, transplanted cells trigger a massive immune response due to the presence of pre-existing antibodies that recognize and attack the transplanted tissue. This can occur in cases where the donor tissue has a different blood type or has been previously exposed to foreign antigens.

In a Hyperacute Rejection