Dr. Steinmetz decides to follow the wishes of her patient and withhold treatment for the patient's terminal cancer, thus allowing the patient to die. This is an example of

a. a near-death experience.
b. passive euthanasia

Lithium's primary mechanism of action with respect to its beneficial effects

a. is unknown b. involves enhancing catecholamine release from axons c. involves activation of catecholamine receptors d. involves synthesis of endogenous opioid peptides

Sports psychologists have found that children are most likely to benefit from participation in sports when

a. competition is emphasized. b. an emphasis on winning is minimized. c. perfection and excellence are stressed. d. a large number of extrinsic rewards are used.