The DSM-IV-TR is most consistent withwhich of the following perspectives?

For the unborn children of mothers who smoke heavily, nicotine is a(n)

A. agonist. B. depressant C. teratogen. D. hallucinogen.

Dustin works at the local drugstore as a cashier

He feels his job is very simple, and he easily gets bored at work. In order for Dustin to perform at a high level at work, he should have _____ level of arousal. a) an achievement b) a low c) a moderate d) a high