Chapter 13 Quiz 3

A  gay.

B  asexual.

C  antisexual.

D  bisexual.

E  heterosexual.

A  none of these

B  heterosexuals

C  gay males

D  transsexuals

E  bisexuals

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

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

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

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

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

A  all of these

B  cortex

C  hypothalamus

D  amygdala

E  ventral striatum

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

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

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

D  none of these

E  all of these

A  sexual motivation.

B  body hair.

C  strength.

D  ability to achieve an erection.

E  all of these

A  requested mastectomy and phalloplasty.

B  acted like a male from an early age.

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

D  all of these

E  refused to wear a bra.

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

B  sexual development is genetic and hormonal.

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

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

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

A  all of these

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

C  ambiguous reproductive organs in many genetic females.

D  high levels of adrenal androgens.

A  all of these

B  internalized testes.

C  breasts.

D  little public hair.

E  shallow vaginas.

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

B  none of these

C  all of these

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

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

A  none of these

B  all of these

C  deactivates circulating estradiol.

D  is present in the blood of neonatal rats.

E  does not readily penetrate the blood-brain barrier.

A  dihydrotestosterone

B  aromatization

C  alpha fetoprotein

D  cholesterol

E  dimorphic

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

B  The male frontal cortex has an extra layer.

C  Many structural differences have been documented.

D  Male and female brains are identical.

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

A  undeveloped female reproductive ducts.

B  ovaries.

C  male internal reproductive ducts.

D  male external reproductive organs.

E  all of these

A  chest hair

B  increased muscularity

C  the male pattern of pubic hair growth

D  the female pattern of pubic hair growth

E  breasts

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

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

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

D  occurs automatically unless testosterone is present.

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

A  adrenocorticotropic hormone.

B  gonadotropic hormone.

C  all of these

D  growth hormone.