Answer to Question 1
ANS: A
Some tumors initially described as benign can progress to cancer and then are referred to as ma-lignant tumors. Lipomas are benign growths, while a meningioma is a benign tumor. Hypertrophy refers to tissue overgrowth, but not cancer.
Answer to Question 2
ANS: C
Norepinephrine regulates blood pressure and promotes arousal, increased vigilance, increased anxiety, and other protective emotional responses. Antidiuretic hormone regulates urine output. Acetylcholine will not result in an increase in blood pressure. Cortisol regulates glucocorticoids.