​The transplantation of body organs is always at risk of recipient rejection;however,the kidney can usually be successfully transplanted,and the survival of the graft has been markedly improved by the use of the drug _________.

A) ​cyclosporine
B) ​potassium ions
C) ​Levaquin
D) ​alpha-blocker

Recipient Rejection

In transplantation, the immune response of a recipient's body against the transplanted organ or tissue.

Cyclosporine

A medication commonly used to suppress the immune system, particularly after organ transplants to prevent rejection.

Graft Survival

The successful integration and functionality of transplanted tissue or organs in a recipient.