1) Castrated male rats can have their mating behaviors restored by:
A) injections of estrogen into the hypothalamus.
B) injections of testosterone into the hypothalamus.
C) injections of testosterone into the hippocampus.
D) both A and B.
E) none of the above.
2) Research examining the biological differences between homosexual and heterosexual men and women have shown that:
A) homosexual and heterosexual males have no differences in brain structure.
B) homosexuals have a higher probability of having a homosexual sibling than do heterosexuals.
C) the medial preoptic area of the hypothalamus is larger in homosexual men than in heterosexual men.
D) homosexuality in families follows paternal lines.
E) homosexuality is only related to societal and cultural influences.
3) Which of the following are most likely to show preferences for masculine toys?
A) women with congenital adrenal hyperplasia
B) female vervet monkeys.
C) men with Turnerâs syndrome.
D) men with congenital adrenal hyperplasia.
E) women with Turner's syndrome.
4) The capacity of some human couples to pair bond may reflect the activity of
A) oxytocin and dopamine.
B) glutamate and glycine.
C) dopamine and vasopressin.
D) vasopressin and oxytocin.
E) acetylcholine and norepinephrine.
5) Which of the following would be expected in a rat after stimulating central nucleus of the amygdala?
A) behavioral signs of fear
B) reduced secretion of gastric acids into the stomach
C) the rat would be more tame when handled by humans
D) lower levels of stress hormones in the blood
E) euphoria and sedation
6) Cannon disagreed with William Jamesâs theory of emotion because:
A) emotion can be felt before the sympathetic stress response is initiated.
B) emotion is not dependent upon the cortex as suggested by sham rage.
C) many emotions elicit the same bodily responses.
D) all of the above.
E) none of the above.