With the discovery of the major tranquilizers called ________, it became possible to control psychotic symptoms, including hallucinations, delusions, and aggressiveness

You pass a car parked on the shoulder of the busy highway, with its hood open and a family standing near the car. You drive by, feeling certain someone else will stop and help them. Which of the following explains your reaction?

a) bystander effect b) degree of failure c) diffusion of danger d) degree of embarrassment

Which of the following drugs is MDMA structurally similar to?

a. Methamphetamine and LSD b. Cocaine and mescaline c. Methamphetamine and mescaline d. Cocaine and LSD