Nitric oxide in the penis is involved in attaining an erection?

What three factors shape our personality

True or false. repeated drug use may lead to drug tolerance which occurs when a user requires larger amounts of the drug to achieve the desired effect.

Select the correct answer. 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? a. drug synergism b. drug antagonism c. drug misuse