John accidentally knocked over Casey's block tower, so Casey hit him. Casey was displaying ______ aggression

On the way home from the library last night you heard the footsteps of someone behind you. Though you were in a well-lighted area of campus, you still felt alarmed. Your heart rate increased, and you were sweating. You were ready to run, if needed. This "fight or flight" response was most likely the result of activity in your _______________.

a. central nervous system. b. sympathetic nervous system. c. parasympathetic nervous system. d. somatic nervous system.

The 1999 report from the Institute of Medicine suggested that marijuana cigarettes should

A. never be made available for medical uses. B. be available for long-term use for a variety of purposes. C. only be used to treat glaucoma. D. be allowed for no more than six months for patients with intractable pain or vomiting.