Alexandra owns three cats. Although pregnant, she continues to care for her cats, often changing the litter box. Alexandra is at risk of contracting

Which of the following are TRUE of stress-induced analgesia in veterans

a. when veterans with PTSD are exposed to "combat stimuli," they show reduced sensitivity to pain b. stress-induced analgesia results from tiggering endorphins c. administration of an opiate agonist blocks stress-incued analgesia in veterans with PTSD d. some of the above e. all of the above

In one classic experiment, rats were given meals of

chocolate chip cookies, salami, cheese, bananas, marshmallows, milk chocolate, peanut butter, and fat. The rats a. lost weight because of the nutritional imbalance in the foods provided. b. overate, gaining about three times as much weight as rats fed laboratory rat chow. c. did not gain or lose weight, since sweetness and fat content only encourage humans to overeat. d. chose to eat only the salami, cheese, and bananas.