Chapter 13 Quiz 3

A  heterosexual.

B  bisexual.

C  antisexual.

D  asexual.

E  gay.

A  transsexuals

B  none of these

C  bisexuals

D  gay males

E  heterosexuals

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

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

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

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

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

A  amygdala

B  all of these

C  ventral striatum

D  hypothalamus

E  cortex

A  all of these

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

E  none of these

A  sexual motivation.

B  body hair.

C  all of these

D  ability to achieve an erection.

E  strength.

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

B  all of these

C  acted like a male from an early age.

D  requested mastectomy and phalloplasty.

E  refused to wear a bra.

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

B  sexual development is genetic and hormonal.

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

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

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

A  all of these

B  high levels of adrenal androgens.

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

D  ambiguous reproductive organs in many genetic females.

A  internalized testes.

B  shallow vaginas.

C  all of these

D  little public hair.

E  breasts.

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

B  none of these

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

D  all 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  is present in the blood of neonatal rats.

B  all of these

C  does not readily penetrate the blood-brain barrier.

D  none of these

E  deactivates circulating estradiol.

A  dimorphic

B  cholesterol

C  aromatization

D  alpha fetoprotein

E  dihydrotestosterone

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  Many structural differences have been documented.

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

A  male internal reproductive ducts.

B  ovaries.

C  all of these

D  male external reproductive organs.

E  undeveloped female reproductive ducts.

A  the female pattern of pubic hair growth

B  the male pattern of pubic hair growth

C  increased muscularity

D  chest hair

E  breasts

A  occurs automatically unless testosterone is present.

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

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

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

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

A  adrenocorticotropic hormone.

B  growth hormone.

C  gonadotropic hormone.

D  all of these