Chapter 13 Quiz 3

A  bisexual.

B  antisexual.

C  gay.

D  asexual.

E  heterosexual.

A  bisexuals

B  heterosexuals

C  transsexuals

D  gay males

E  none of these

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

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

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

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  amygdala

C  cortex

D  ventral striatum

E  hypothalamus

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

B  all of these

C  none of these

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

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

A  body hair.

B  ability to achieve an erection.

C  all of these

D  strength.

E  sexual motivation.

A  acted like a male from an early age.

B  requested mastectomy and phalloplasty.

C  all of these

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

E  refused to wear a bra.

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

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

C  sexual development is genetic and hormonal.

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

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

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

B  all of these

C  high levels of adrenal androgens.

D  ambiguous reproductive organs in many genetic females.

A  breasts.

B  little public hair.

C  internalized testes.

D  shallow vaginas.

E  all of these

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  none of these

C  does not readily penetrate the blood-brain barrier.

D  is present in the blood of neonatal rats.

E  deactivates circulating estradiol.

A  aromatization

B  cholesterol

C  dimorphic

D  dihydrotestosterone

E  alpha fetoprotein

A  The male frontal cortex has an extra layer.

B  Male and female brains are identical.

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

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

E  Many structural differences have been documented.

A  ovaries.

B  male external reproductive organs.

C  male internal reproductive ducts.

D  all of these

E  undeveloped female reproductive ducts.

A  chest hair

B  breasts

C  increased muscularity

D  the male pattern of pubic hair growth

E  the female pattern of pubic hair growth

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

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

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

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

E  occurs automatically unless testosterone is present.

A  growth hormone.

B  gonadotropic hormone.

C  adrenocorticotropic hormone.

D  all of these