Opiate drugs act by mimicking which neurotransmitter system?

From Ernest Pascarella and Patrick Terenzini's research, which of the following are cited as cognitive benefits of attending college?

a. increases in general verbal, oral, and written communication skills, and critical thinking b. increases in sensory memory, working memory, short-term memory, and long-term memory c. increases in metacognition, creativity, frontal lobe functioning, and deductive reasoning d. increases in hypothetical reasoning, expressive communication, a faster fluid intelligence, and a higher general intelligence score

When do phobias like claustrophobia and driving phobia begin?

a. Adolescence b. Childhood c. Middle adulthood d. Late adulthood