Chapter 13 Quiz 3

A  antisexual.

B  gay.

C  asexual.

D  bisexual.

E  heterosexual.

A  bisexuals

B  heterosexuals

C  none of these

D  transsexuals

E  gay males

A  30% of the monozygotic twin brothers and 20% of the half brothers

B  52% of the twin brothers and 22% of the male siblings

C  52% of the monozygotic twin brothers and 22% of the dizygotic twin brothers

D  100% of the monozygotic twin brothers and 0% of the dizygotic twin brothers

E  92% of the monozygotic twin brothers and 52% of the dizygotic twin brothers

A  all of these

B  hypothalamus

C  ventral striatum

D  cortex

E  amygdala

A  Various measures of sexual motivation were correlated with the testosterone levels of healthy human females.

B  Replacement injections of testosterone increased the proceptivity of ovariectomized and adrenalectomized female rhesus monkeys.

C  none of these

D  Replacement injections of testosterone increased the sexual motivation of human females who had been both ovariectomized and adrenalectomized.

E  all of these

A  all of these

B  sexual motivation.

C  strength.

D  ability to achieve an erection.

E  body hair.

A  suspected he was a boy from the second grade on.

B  all of these

C  refused to wear a bra.

D  acted like a male from an early age.

E  requested mastectomy and phalloplasty.

A  genes dominate social learning when it comes to gender identity.

B  social learning dominates hormones when it comes to gender identity.

C  hormones dominate social learning when it comes to gender identity.

D  social learning dominates genes when it comes to gender identity.

E  sexual development is genetic and hormonal.

A  a decrease in the release of cortisol from the adrenal cortices.

B  high levels of adrenal androgens.

C  all of these

D  ambiguous reproductive organs in many genetic females.

A  all of these

B  shallow vaginas.

C  little public hair.

D  internalized testes.

E  breasts.

A  The program of mammalian female brain development unfolds normally in the absence of estradiol or other hormones.

B  There is a single mechanism that accounts for all differences between the brains of male and female mammals.

C  all of these

D  none of these

E  The sexual dimorphism of the mammalian brain depends entirely on the presence or absence of testosterone; genes play no direct role.

A  all of these

B  is present in the blood of neonatal rats.

C  none of these

D  does not readily penetrate the blood-brain barrier.

E  deactivates circulating estradiol.

A  alpha fetoprotein

B  cholesterol

C  aromatization

D  dimorphic

E  dihydrotestosterone

A  Male and female brains are identical.

B  The male frontal cortex has an extra layer.

C  Many structural differences have been documented.

D  Some suggestions of differences have been reported, but none of the differences has proven to be replicable.

E  The female frontal cortex is substantially larger than the male counterpart.

A  ovaries.

B  all of these

C  undeveloped female reproductive ducts.

D  male internal reproductive ducts.

E  male external reproductive organs.

A  increased muscularity

B  the female pattern of pubic hair growth

C  the male pattern of pubic hair growth

D  breasts

E  chest hair

A  occurs automatically even if testosterone is present in large amounts.

B  can be blocked by hormones but is not stimulated by them.

C  is stimulated by a high ratio of estrogens to androgens.

D  occurs automatically unless testosterone is present.

E  is stimulated by a high ratio of androgens to estrogens.

A  all of these

B  adrenocorticotropic hormone.

C  growth hormone.

D  gonadotropic hormone.