A key aspect of anorexia nervosa is
a. an intense fear of obesity.
b. the binging and subsequent purging of food.
c. an intolerance for exercise.
d. an understimulation of NPY and ghrelin receptors.
e. a defect in insulin metabolism.
Answer: a. an intense fear of obesity.
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How did many scientists during the 1930s and 1940s try to explain homosexual orientation?
a. By exploring physical differences between male and female gay and straight people b. By exploring men's and women's motivations to identify as gay or lesbian c. By exploring brain differences between gay and straight men and lesbian and straight women d. By exploring the family backgrounds of gay men and lesbian women
When you hear a tone of 200 hz, the hair cells attached to your basilar membranes begin vibrating 200 times per second. This is the basic idea behind the __________
a) frequency theory of hearing. b) place theory of hearing. c) volley principle of hearing. d) tympanic theory of hearing.
When your neighbors brought their baby home from the hospital, he weighed less than at birth. They were very concerned; what would you tell them?
a. They probably need to try to feed the newborn more frequently. b. It is normal for babies to lose weight right after birth. He should regain the weight before a couple of weeks go by. c. The wife probably cannot breast-feed and they should start formula feeding immediately. d. He must have an eating disorder.
In the studies in which nurses were ordered by doctors to give patients an overdose of a certain medicine:
a. no nurse was willing to obey the doctor's orders b. only 11 percent of the nurses in this experiment were willing to issue an overdose on the doctor's authority c. 95 percent of the nurses in this experiment were willing to issue an overdose of the medicine on the doctor's authority d. 11 percent of those who were familiar with the medicine were willing to issue an overdose of the medicine on the doctor's authority e. both c and d