Gina's father has diabetes and takes insulin. he recently had a liver transplant, after which he was put on anti-rejection medicines. this has made his insulin less effective. which term best characterizes gina's father's situation? options: a. drug antagonism b. drug misuse c. drug synergism

A. Drug Antagonism

Gina’s father’s situation is best characterize as drug antagonism. The anti-rejection medicines he have for his liver transplant has reduce the effectiveness of his insulin for his diabetes. In addition, drug antagonism is an interaction between two or more drugs that have different effects on the body, which could result to either block or reduce the effectiveness of one drug.