Since China instituted its "one-child policy,"
a. its population has dramatically increased.
b. the ratio of male to female births has tipped dramatically in favor of males.
c. more midwives have gotten involved in birthing.
d. the incidence of maternal depression has increased significantly.
b
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Which term is correctly paired with its definition?
a. Hypomania is when a person is beginning to feel depressed. b. Mania is when a person is "high" but totally coherent. c. Hypomania involves increased levels of activity combined with an expansive mood. d. Mania is a less severe form of the disorder than hypomania.
In one study, healthy volunteers who reported experiencing little stress, acute stress, or chronic stress were exposed to a cold virus by having it swabbed in their noses. Which statement accurately describes the results of this study?
A) Most volunteers caught the cold, regardless of stress levels. B) Most volunteers who had experienced acute and chronic stress caught the cold. C) More volunteers who had just experienced an acute stressor caught the cold than did volunteers who reported chronic stress. D) Volunteers who reported chronic stress were most likely to catch the cold.
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.
Which finding is supported by research evidence regarding the relationship between genetics and sexual orientation?
A) Gay men and lesbians tend to have a larger proportion of heterosexual siblings than heterosexuals do. B) Gay men tend to have more homosexual relatives on their mother’s side of the family than on their father’s side. C) The same genetic pattern is found in 90 percent of gay men and 85 percent of lesbians tested to date. D) Gay brothers share a gene in common on the Y chromosome, even though other genes on that chromosome differ.