Question 1

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 2

Damage to the medial preoptic area of the hypothalamus in rats would most likely result in:

Accepted Answer

A)  decreased sexual activity. 
B)  increased sexual activity. 
C)  a change in partner preference. 
D)  excessive testosterone levels. 
A)  decreased sexual activity. 
B)  increased sexual activity. 
C)  a change in partner preference. 
D)  excessive testosterone levels.

Question 3

Stimulation of the medial preoptic area increases sexual activity in rodents.

Accepted Answer

A) True 
 B)False

Question 4

Estrogens are present only in females.

Accepted Answer

A) True 
 B)False

Question 5

What would cause a young mammal's external genitals to have an appearance intermediate between a male and a female?

Accepted Answer

A)  normal levels of estrogen in a genetic female 
B)  high levels of both testosterone and estrogen in a genetic male 
C)  more testosterone than other females in a genetic female 
D)  extra estrogen production in a genetic male 
A)  normal levels of estrogen in a genetic female 
B)  high levels of both testosterone and estrogen in a genetic male 
C)  more testosterone than other females in a genetic female 
D)  extra estrogen production in a genetic male

Question 6

The frequency of homosexuality in men is highest if:

Accepted Answer

A)  a sister is homosexual. 
B)  an adopted brother is homosexual. 
C)  a dizygotic twin brother is homosexual. 
D)  a monozygotic twin brother is homosexual. 
A)  a sister is homosexual. 
B)  an adopted brother is homosexual. 
C)  a dizygotic twin brother is homosexual. 
D)  a monozygotic twin brother is homosexual.

Question 7

When examining the data on sexual orientation of twins and other siblings, what seems to be the most reasonable conclusion?

Accepted Answer

A)  Genetic factors completely determine sexual orientation. 
B)  Genetic factors play no role in sexual orientation. 
C)  Sexual orientation is determined by genetics as well as other factors. 
D)  Genetic factors determine sexual orientation in men, but do not seem to play a role for women. 
A)  Genetic factors completely determine sexual orientation. 
B)  Genetic factors play no role in sexual orientation. 
C)  Sexual orientation is determined by genetics as well as other factors. 
D)  Genetic factors determine sexual orientation in men, but do not seem to play a role for women.

Question 8

The interstitial nucleus 3 of the anterior hypothalamus is known to be more than:

Accepted Answer

A)  twice as large in heterosexual women as in men. 
B)  three times as large in heterosexual women as in men. 
C)  twice as large in heterosexual men as in women. 
D)  twice as large in homosexual men as in heterosexual men. 
A)  twice as large in heterosexual women as in men. 
B)  three times as large in heterosexual women as in men. 
C)  twice as large in heterosexual men as in women. 
D)  twice as large in homosexual men as in heterosexual men.

Question 9

Neurons in the medial preoptic area of the hypothalamus release ____,which impacts male sexual behavior.

Accepted Answer

A)  testosterone 
B)  dopamine 
C)  estrogen 
D)  luteinizing hormone 
A)  testosterone 
B)  dopamine 
C)  estrogen 
D)  luteinizing hormone

Question 10

High levels of estrogen and progesterone will prevent ovulation.

Accepted Answer

A) True 
 B)False

Question 11

In women, which hormone stimulates the growth of a follicle in the ovary?

Accepted Answer

A)  FSH 
B)  ACTH 
C)  TSH 
D)  prolactin 
A)  FSH 
B)  ACTH 
C)  TSH 
D)  prolactin

Question 12

Hormones produced by the ovaries are required for proper maternal behavior in rats.

Accepted Answer

A) True 
 B)False

Question 13

Describe some of the evidence that genetic factors may influence sexual orientation.

Accepted Answer

Human sexual orientation is a complex tr

Question 14

One way that estrogen increases sexual responsiveness is by:

Accepted Answer

A)  synchronizing activity between the hypothalamus of the left and right hemispheres. 
B)  suppressing the release of competing hormones such as testosterone. 
C)  decreasing the rate of overall body activity. 
D)  increasing the sensitivity of nerves in the pubic area. 
A)  synchronizing activity between the hypothalamus of the left and right hemispheres. 
B)  suppressing the release of competing hormones such as testosterone. 
C)  decreasing the rate of overall body activity. 
D)  increasing the sensitivity of nerves in the pubic area.

Question 15

Estrogen production by the ovary causes the male Wolffian system to degenerate in females.

Accepted Answer

A) True 
 B)False

Question 16

The sex hormones include the estrogens, progesterone, and the androgens.

Accepted Answer

A) True 
 B)False

Question 17

The most effective way to stimulate sexual behavior in a female rodent is to inject her with:

Accepted Answer

A)  prolactin followed by estradiol. 
B)  progesterone following by parathyroid hormone. 
C)  alpha fetoprotein followed by cholecystokinin. 
D)  a combination of estradiol and progesterone. 
A)  prolactin followed by estradiol. 
B)  progesterone following by parathyroid hormone. 
C)  alpha fetoprotein followed by cholecystokinin. 
D)  a combination of estradiol and progesterone.

Question 18

Some XY males have poorly developed genitals as a result of:

Accepted Answer

A)  a mutation in the SRY gene. 
B)  low body temperature during prenatal development. 
C)  too much testosterone. 
D)  too much estrogen. 
A)  a mutation in the SRY gene. 
B)  low body temperature during prenatal development. 
C)  too much testosterone. 
D)  too much estrogen.

Question 19

If a female rat is injected with testosterone during the last few days before being born or the first few days afterward, at maturity her:

Accepted Answer

A)  pituitary and ovaries will not produce their hormones. 
B)  ovaries will no longer produce hormones, although her pituitary will. 
C)  pituitary and ovaries will produce steady levels of hormones instead of cyclic levels of hormones. 
D)  pituitary and ovaries will produce cyclic levels of hormones instead of steady levels. 
A)  pituitary and ovaries will not produce their hormones. 
B)  ovaries will no longer produce hormones, although her pituitary will. 
C)  pituitary and ovaries will produce steady levels of hormones instead of cyclic levels of hormones. 
D)  pituitary and ovaries will produce cyclic levels of hormones instead of steady levels.

Question 20

What determines whether a mammal develops male or female external genitals?

Accepted Answer

A)  the amount of testosterone during prenatal development 
B)  the amount of estrogens during prenatal development 
C)  the difference (subtraction) between testosterone and estrogen levels in prenatal development 
D)  the ratio (division) between testosterone and estrogen levels in prenatal development 
A)  the amount of testosterone during prenatal development 
B)  the amount of estrogens during prenatal development 
C)  the difference (subtraction) between testosterone and estrogen levels in prenatal development 
D)  the ratio (division) between testosterone and estrogen levels in prenatal development

Pheromones of newborn rats:

Damage to the medial preoptic area of the hypothalamus in rats would most likely result in:

Stimulation of the medial preoptic area increases sexual activity in rodents.

Estrogens are present only in females.

What would cause a young mammal's external genitals to have an appearance intermediate between a male and a female?

The frequency of homosexuality in men is highest if:

When examining the data on sexual orientation of twins and other siblings, what seems to be the most reasonable conclusion?

The interstitial nucleus 3 of the anterior hypothalamus is known to be more than:

Neurons in the medial preoptic area of the hypothalamus release ____,which impacts male sexual behavior.

High levels of estrogen and progesterone will prevent ovulation.

In women, which hormone stimulates the growth of a follicle in the ovary?

Hormones produced by the ovaries are required for proper maternal behavior in rats.

Describe some of the evidence that genetic factors may influence sexual orientation.

One way that estrogen increases sexual responsiveness is by:

Estrogen production by the ovary causes the male Wolffian system to degenerate in females.

The sex hormones include the estrogens, progesterone, and the androgens.

The most effective way to stimulate sexual behavior in a female rodent is to inject her with:

Some XY males have poorly developed genitals as a result of:

If a female rat is injected with testosterone during the last few days before being born or the first few days afterward, at maturity her:

What determines whether a mammal develops male or female external genitals?

The Major Issues

Nerve Cells and Nerve Impulses

Synapses

Anatomy of the Nervous System

Development and Plasticity of the Brain

Vision

The Other Sensory Systems

Movement

Wakefulness and Sleep

Internal Regulation

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Mood Disorders and Schizophrenia

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Exam 11: Reproductive Behaviors

Pheromones of newborn rats:

Damage to the medial preoptic area of the hypothalamus in rats would most likely result in:

Stimulation of the medial preoptic area increases sexual activity in rodents.

Estrogens are present only in females.

What would cause a young mammal's external genitals to have an appearance intermediate between a male and a female?

The frequency of homosexuality in men is highest if:

When examining the data on sexual orientation of twins and other siblings, what seems to be the most reasonable conclusion?

The interstitial nucleus 3 of the anterior hypothalamus is known to be more than:

Neurons in the medial preoptic area of the hypothalamus release ____,which impacts male sexual behavior.

High levels of estrogen and progesterone will prevent ovulation.

In women, which hormone stimulates the growth of a follicle in the ovary?

Hormones produced by the ovaries are required for proper maternal behavior in rats.

Describe some of the evidence that genetic factors may influence sexual orientation.

One way that estrogen increases sexual responsiveness is by:

Estrogen production by the ovary causes the male Wolffian system to degenerate in females.

The sex hormones include the estrogens, progesterone, and the androgens.

The most effective way to stimulate sexual behavior in a female rodent is to inject her with:

Some XY males have poorly developed genitals as a result of:

If a female rat is injected with testosterone during the last few days before being born or the first few days afterward, at maturity her:

What determines whether a mammal develops male or female external genitals?

The Major Issues

Nerve Cells and Nerve Impulses

Synapses

Anatomy of the Nervous System

Development and Plasticity of the Brain

Vision

The Other Sensory Systems

Movement

Wakefulness and Sleep

Internal Regulation

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Mood Disorders and Schizophrenia

Filters