One of the main reasons that lower sperm count and motility are a common occurrence as men age is because ____
a. nature is weeding out the weak to make room for the strong
b. exposure to stress over time can lead to physiological changes that negatively affect sperm
c. an increase accumulation of fat-soluble vitamins is more prominent as men age, which negatively affects sperm quality
d. less sexual activity in older men decreases sperm quality as the turnover rate for new sperm decreases
ANS: B
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The "____ sac" is the fluid-filled pouch that lines the uterus
a. amniotic c. fetal b. placental d. cervical
How are men and women likely to respond to a miscarriage?
a. Women are more likely to experience grief; men are more likely to keep to themselves. b. Men are more likely to experience grief; women are more likely to keep to themselves. c. Both men and women are equally likely to experience grief. d. Both men and women are equally likely to keep to themselves.
In adults, there is almost no relationship between height and vocabulary size. A likely correlation for these two variable would be
a) -0.10. b) -0.54. c) 0.46. d) 0.30.
Which of the following is one of the important ideas that Margaret Mead had put forth in her book Coming of Age in Samoa?
A. She held the notion that both culture and biology contribute to sexual well-being. B. She held that sexuality was a disease that needed to be treated like any other ailment. C. She held that biology was more important than culture in the development of sexual behavior. D. She held that homosexual relations were a cause of repressed childhood fantasies. E. She held that the tribal people were comparatively more likely to develop homosexual tendencies.