Chapter 13 Quiz 3

A  heterosexual.

B  gay.

C  asexual.

D  antisexual.

E  bisexual.

A  bisexuals

B  transsexuals

C  heterosexuals

D  none of these

E  gay males

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

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

C  30% of the monozygotic twin brothers and 20% of the half 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  cortex

C  hypothalamus

D  amygdala

E  ventral striatum

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

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

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

D  none of these

E  all of these

A  all of these

B  strength.

C  ability to achieve an erection.

D  body hair.

E  sexual motivation.

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

B  all of these

C  refused to wear a bra.

D  requested mastectomy and phalloplasty.

E  acted like a male from an early age.

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

E  sexual development is genetic and hormonal.

A  ambiguous reproductive organs in many genetic females.

B  all of these

C  high levels of adrenal androgens.

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

A  shallow vaginas.

B  all of these

C  breasts.

D  little public hair.

E  internalized testes.

A  all of these

B  none of these

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

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

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

A  deactivates circulating estradiol.

B  none of these

C  is present in the blood of neonatal rats.

D  all of these

E  does not readily penetrate the blood-brain barrier.

A  dimorphic

B  dihydrotestosterone

C  alpha fetoprotein

D  aromatization

E  cholesterol

A  Male and female brains are identical.

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

C  Many structural differences have been documented.

D  The male frontal cortex has an extra layer.

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

A  all of these

B  ovaries.

C  male internal reproductive ducts.

D  male external reproductive organs.

E  undeveloped female reproductive ducts.

A  the male pattern of pubic hair growth

B  breasts

C  increased muscularity

D  chest hair

E  the female pattern of pubic hair growth

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

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

A  gonadotropic hormone.

B  growth hormone.

C  adrenocorticotropic hormone.

D  all of these