Question 1

Hormones are most essential to which aspect of mammalian parental behavior?​

Accepted Answer

A) care for newborns during the first few days 
B) ​continuation of care after the first few days 
C) ​the parental care sometimes shown by males 
D) all aspects equally 
A) care for newborns during the first few days 
B) ​continuation of care after the first few days 
C) ​the parental care sometimes shown by males 
D) all aspects equally A

Question 2

The estradiol normally found in the bloodstream of a female rat fetus neither masculinizes nor feminizes its development because it ____.​

Accepted Answer

A) is chemically converted to testosterone 
B) ​is prevented from entering the developing cells 
C) ​is chemically unstable at the body temperature of a fetus 
D) would have no effect on cells even if it did enter them 
A) is chemically converted to testosterone 
B) ​is prevented from entering the developing cells 
C) ​is chemically unstable at the body temperature of a fetus 
D) would have no effect on cells even if it did enter them B

Question 3

A sensitive period is ____.​

Accepted Answer

A) any time in an organism's life when it is sensitive to hormones released by the sexually dimorphic nucleus 
B) ​an early period when a hormone has a long lasting effect 
C) ​an early period when a hormone has an intense, but brief, effect 
D) a period of time, usually once a month, when hormones are released 
A) any time in an organism's life when it is sensitive to hormones released by the sexually dimorphic nucleus 
B) ​an early period when a hormone has a long lasting effect 
C) ​an early period when a hormone has an intense, but brief, effect 
D) a period of time, usually once a month, when hormones are released B

Question 4

What would cause a genetic female to develop a partly masculinized anatomy?​

Accepted Answer

A) excessive levels of alpha-fetoprotein in her blood 
B) ​exposure of her mother to stressful experiences late in pregnancy 
C) ​exposure to less than the usual amount of estrogen during an early sensitive period 
D) exposure to more than the usual amount of testosterone during an early sensitive period 
A) excessive levels of alpha-fetoprotein in her blood 
B) ​exposure of her mother to stressful experiences late in pregnancy 
C) ​exposure to less than the usual amount of estrogen during an early sensitive period 
D) exposure to more than the usual amount of testosterone during an early sensitive period

Question 5

On average,the left and right hemispheres of the cerebral cortex are of nearly equal size in ____ females,whereas the right hemisphere is a few percent larger in ____ males.​

Accepted Answer

A) homosexual; heterosexual 
B) ​heterosexual; homosexual 
C) ​homosexual; homosexual 
D) heterosexual; heterosexual 
A) homosexual; heterosexual 
B) ​heterosexual; homosexual 
C) ​homosexual; homosexual 
D) heterosexual; heterosexual

Question 6

Which mate-selection preference is stronger for men than for women?​

Accepted Answer

A) acceptable odor 
B) ​likelihood of being a good provider 
C) ​youthfulness 
D) intelligence 
A) acceptable odor 
B) ​likelihood of being a good provider 
C) ​youthfulness 
D) intelligence

Question 7

A means of controlling sex offenders has involved reducing ____.​

Accepted Answer

A) testosterone levels 
B) ​estrogen levels 
C) ​prolactin 
D) the alpha-fetoprotein level in their blood 
A) testosterone levels 
B) ​estrogen levels 
C) ​prolactin 
D) the alpha-fetoprotein level in their blood

Question 8

Estradiol normally found in the bloodstream of a female rat fetus neither masculinizes nor feminizes its development because it is ____.​

Accepted Answer

A) chemically converted to testosterone 
B) ​bound to alpha-fetoprotein 
C) ​dissolved in the fat supplies of the fetus 
D) not effective on cells even if it did enter them 
A) chemically converted to testosterone 
B) ​bound to alpha-fetoprotein 
C) ​dissolved in the fat supplies of the fetus 
D) not effective on cells even if it did enter them

Question 9

Testosterone levels continue to increase throughout a human male's lifetime.​

Accepted Answer

A) True 
 B)False

Question 10

When Simon LeVay examined interstitial nucleus 3 in 41 people who had died,he found that in the homosexual males in his sample,this nucleus was ____.​

Accepted Answer

A) larger, but only in those who had died of AIDS 
B) ​comparable in size to the heterosexual males who had died of AIDS 
C) ​comparable in size to the whole group of heterosexual males 
D) comparable in size to the heterosexual females 
A) larger, but only in those who had died of AIDS 
B) ​comparable in size to the heterosexual males who had died of AIDS 
C) ​comparable in size to the whole group of heterosexual males 
D) comparable in size to the heterosexual females

Question 11

Pheromones of newborn rats ____.​

Accepted Answer

A) inhibit maternal behavior 
B) ​stimulate maternal behaviors directly 
C) ​stimulate the release of hormones that affect maternal behaviors 
D) stimulate paternal behaviors, but not maternal behaviors 
A) inhibit maternal behavior 
B) ​stimulate maternal behaviors directly 
C) ​stimulate the release of hormones that affect maternal behaviors 
D) stimulate paternal behaviors, but not maternal behaviors

Question 12

Pregnant women often experience nausea because of the heightened activity of the ____ receptor.​

Accepted Answer

A) serotonin 3 
B) ​progesterone 
C) ​estradiol 
D) dopamine 2 
A) serotonin 3 
B) ​progesterone 
C) ​estradiol 
D) dopamine 2

Question 13

What conclusion can be drawn from the unusual gender identity cases from the Dominican Republic?​

Accepted Answer

A) The environment has no effect on gender identity. 
B) ​If given the necessary hormones at puberty, any girl can become a boy. 
C) ​Early child-rearing experiences are not the sole determinant of gender identity. 
D) Chromosomes are the determining factor in gender identity. 
A) The environment has no effect on gender identity. 
B) ​If given the necessary hormones at puberty, any girl can become a boy. 
C) ​Early child-rearing experiences are not the sole determinant of gender identity. 
D) Chromosomes are the determining factor in gender identity.

Question 14

In comparison to activating effects,organizing effects of hormones take place ____.​

Accepted Answer

A) later in life and produce more long-lasting effects 
B) ​later in life and produce more temporary effects 
C) ​earlier in life and produce more long-lasting effects 
D) earlier in life and produce more temporary effects 
A) later in life and produce more long-lasting effects 
B) ​later in life and produce more temporary effects 
C) ​earlier in life and produce more long-lasting effects 
D) earlier in life and produce more temporary effects

Question 15

At this point,the conclusions of studies on the evolutionary interpretations of mating behavior suggest that these behaviors are ____.​

Accepted Answer

A) primarily inherited 
B) ​primarily learned from cultural influence 
C) ​used to justify our behaviors 
D) lacking the scientific studies to allow us to draw a conclusion about them 
A) primarily inherited 
B) ​primarily learned from cultural influence 
C) ​used to justify our behaviors 
D) lacking the scientific studies to allow us to draw a conclusion about them

Question 16

Dopamine stimulation of D2 receptors facilitates ____.​

Accepted Answer

A) arousal 
B) ​orgasm 
C) ​sperm production 
D) sexually receptive postures in the female 
A) arousal 
B) ​orgasm 
C) ​sperm production 
D) sexually receptive postures in the female

Question 17

What does a coral goby fish do if its mate dies after eggs have been laid?​

Accepted Answer

A) A male will abandon the eggs and find a new mate. 
B) ​A female will care for her young and then die. 
C) ​Either sex will care for the eggs and, if necessary, change sex to form a new mating pair. 
D) Either sex will abandon the eggs to find a new mate. 
A) A male will abandon the eggs and find a new mate. 
B) ​A female will care for her young and then die. 
C) ​Either sex will care for the eggs and, if necessary, change sex to form a new mating pair. 
D) Either sex will abandon the eggs to find a new mate.

Question 18

Decreases in ____ levels generally decrease male sexual activity.​

Accepted Answer

A) estrogen 
B) ​oxytocin 
C) ​testosterone 
D) estradiol 
A) estrogen 
B) ​oxytocin 
C) ​testosterone 
D) estradiol

Question 19

A "true hermaphrodite" is someone who ____.​

Accepted Answer

A) has both XX and XY chromosome patterns 
B) ​has both testicular and ovarian tissue 
C) ​is female, but has sexual interest only in other females 
D) dresses up as the opposite gender 
A) has both XX and XY chromosome patterns 
B) ​has both testicular and ovarian tissue 
C) ​is female, but has sexual interest only in other females 
D) dresses up as the opposite gender

Question 20

When do the organizing effects of sex hormones occur in rats?​

Accepted Answer

A) well before birth 
B) ​shortly before and after birth 
C) ​during their juvenile period 
D) at approximately two months of age 
A) well before birth 
B) ​shortly before and after birth 
C) ​during their juvenile period 
D) at approximately two months of age

Hormones are most essential to which aspect of mammalian parental behavior?

The estradiol normally found in the bloodstream of a female rat fetus neither masculinizes nor feminizes its development because it ____.

A sensitive period is ____.

What would cause a genetic female to develop a partly masculinized anatomy?

On average,the left and right hemispheres of the cerebral cortex are of nearly equal size in females,whereas the right hemisphere is a few percent larger in males.

Which mate-selection preference is stronger for men than for women?

A means of controlling sex offenders has involved reducing ____.

Estradiol normally found in the bloodstream of a female rat fetus neither masculinizes nor feminizes its development because it is ____.

Testosterone levels continue to increase throughout a human male's lifetime.

When Simon LeVay examined interstitial nucleus 3 in 41 people who had died,he found that in the homosexual males in his sample,this nucleus was ____.

Pheromones of newborn rats ____.

Pregnant women often experience nausea because of the heightened activity of the ____ receptor.

What conclusion can be drawn from the unusual gender identity cases from the Dominican Republic?

In comparison to activating effects,organizing effects of hormones take place ____.

At this point,the conclusions of studies on the evolutionary interpretations of mating behavior suggest that these behaviors are ____.

Dopamine stimulation of D2 receptors facilitates ____.

What does a coral goby fish do if its mate dies after eggs have been laid?

Decreases in ____ levels generally decrease male sexual activity.

A "true hermaphrodite" is someone who ____.

When do the organizing effects of sex hormones occur in rats?

Nerve Cells and Nerve Impulses

Synapses

Anatomy and Research Methods

Genetics, evolution, development, and Plasticity

Vision

Other Sensory Systems

Movement

Wakefulness and Sleep

Internal Regulation

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Psychological Disorders

Appendix A: Brief, basic Chemistry

Filters

Exam 10: Reproductive Behaviors