According to a recent survey, American adolescents were shown to experiment with other substances such as amphetamines, inhalants, hallucinogens, and cocaine. What percentage of American adolescents tried Ecstasy?

Two-year-old Julia repeatedly exclaims, "I do it!" when her mother tries to help her. Though this behavior is frustrating at times, her mother understands that Julia's sense of autonomy will develop into a sense of initiative in a few years

Indicate whether this statement is true or false.

A patient has just received a prescription drug that will decrease her high level of anxiety. It is most likely that the drug she has received will increase the activity of the neurotransmitter

a. acetylcholine. b. GABA. c. nitric oxide. d. dopamine.