Adora has been given the task of designing a public service announcement for teens to provide information about psychoactive drugs. In her announcement she cites a study that approximately _____ of Americans aged 12 and older reported that they had used illegal drugs over the past month.

A. 13%

B. 54%

C. 22%

D. 31%

Mitch finds it difficult to awaken his friend Sam, and when Sam finally awakens, he is groggy, disoriented, and irritated. Mitch woke Sam when he was in _____ sleep.

A. REM

B. Stage N2

C. Stage N1

D. slow-wave

Anesthetic drugs can lower blood pressure and heart rate by suppressing the _____ nervous system.

A. parasympathetic

B. peripheral

C. central

D. sympathetic

After consuming too much alcohol, Shelly has to be helped out of the car and then throws up (vomits) on the sidewalk. Her blood alcohol content is probably nearing:

After consuming too much alcohol, Shelly has to be helped out of the car and then throws up (vomits) on the sidewalk. Her blood alcohol content is probably nearing:

A. .10.

B. .08.

C. .15.

D. .40.

LSD, marijuana, and MDMA are classified as:

A. depressants.

B. opioids.

C. stimulants.

D. hallucinogens.