Most young people who abuse alcohol or other drugs will become even more serious abusers by age 30

Rats that have a damaged _________ would probably show little or no fear when placed next to a cat

a) hippocampus b) hypothalamus c) fornix d) amygdala

__________ theory encompasses the idea that people are motivated to maintain an optimal level of stimulation or stimulation

a) Arousal b) Instinct c) Stimulus d) Expectancy