The blood test BUN stands for:

Many anesthetic agents are cardiac irritants that can sensitize the _________ muscle to disturbances in rhythm, rate, and cardiac output

A. transport C. heart B. cardiac D. patient's

Marilyn is a patient at the OB/GYN clinic where you work. After two years of trying, she has failed to become pregnant. She has had extensive testing, which did not turn up any abnormalities. However, she says, "I know there must be something wrong with me. My husband says it has to be my fault, because men never have fertility problems." How should you respond?

A. "Don't worry; we will keep on testing until we find out exactly what your problem is." B. "If you want to get pregnant, you have to start thinking more positively." C. "Actually, 35% of the time, infertility is due to male causes." D. "There is nothing more we can do for you here; have you considered therapy?" E. "Your husband is wrong; there is nothing wrong with you, so there must be something wrong with him."