4. Consciousness

_____ are used to treat narcolepsy.

_____ dependence is the most common in the United States after alcohol and nicotine.

Evelyn smoked cigarettes when she was younger but had no problem quitting. Though 10 years have passed since Evelyn has touched a cigarette, every now and then she gets a strong craving to smoke again. Evelyn's craving is most likely the result of

Which of these statements about psychoactive drugs is true?

Withdrawal is a sign of

Physical sensations, such as nausea or extreme pain, that occur when the body is trying to adjust to the absence of a drug are called