Question 1

________ reflects the eagerness of the female rat to copulate.

Accepted Answer

The answer of ________ reflects the eagerness of the female...

Question 2

Damage to the ________ will disrupt rodent nest building and pup care, but not female sexual behavior.

Accepted Answer

A)   medial amygdala
B)   stria terminalis
C)   medial preoptic area
D)   ventromedial hypothalamus
E)   reticular formationF) A) and E)
G) D) and E)

Question 3

The ________ directly inhibits the spinal motor neurons that control male sexual reflexes.

Accepted Answer

A)   medial preoptic area
B)   medial amygdala
C)   nucleus paragigantocellularis (PGi)  of the medulla
D)   rostral hypothalamus
E)   ventromedial hypothalamusF) A) and E)
G) C) and D)

Question 4

Sexual behavior in a castrated male rat can be restored by infusion of ________ into the ________.

Accepted Answer

A)   dopamine antagonists; medial preoptic area
B)   apomorphine; medial amygdala
C)   glutamate; spinal cord
D)   opiates; spinal cord
E)   testosterone; medial preoptic areaF) A) and B)
G) C) and D)

Question 5

Male sexual behavior in the rat is critically dependent on the

Accepted Answer

A)   central nucleus of the amygdala.
B)   periaqueductal gray matter.
C)   medial preoptic area.
D)   rostral medulla.
E)   sexually dimorphic nucleus of the preoptic area.F) B) and D)
G) B) and C)

Question 6

Which of the following is true of pheromone action in humans?

Accepted Answer

A)   Menstrual cycles are delayed by exposure to human sweat.
B)   Women are attracted to the underarm sweat from men.
C)   Men rate T-shirts worn by women during their fertile phase as more pleasant than T-shirts worn during their non-fertile phase.
D)   Men and women show decreased sexual behavior after exposure to pheromones.
E)   Men are quite attracted to the underarm sweat from women.F) None of the above
G) A) and B)

Question 7

A hormone that prevents the prenatal development of the Müllerian system is said to have a(n) ________ effect.

Accepted Answer

The answer of A hormone that prevents the prenatal development...

Question 8

Which of the following terms belong together?

Accepted Answer

A)   Wolffian system; clitoris
B)   Müllerian system; Fallopian tubes
C)   Müllerian system; uterus
D)   Wolffian system; uterus
E)   Müllerian system; vas deferensF) A) and B)
G) A) and C)

Question 9

Which hormone causes ovulation?

Accepted Answer

A)   LH
B)   estradiol
C)   progesterone
D)   FSH
E)   testosteroneF) A) and E)
G) All of the above

Question 10

Neurons in the ________ portion of the spinal cord are critical for the circuits of ejaculation but not erection.

Accepted Answer

The answer of Neurons in the ________ portion of the...

Question 11

The prenatal development of the external male genitalia requires the presence of

Accepted Answer

A)   alpha-feto protein.
B)   melatonin.
C)   estradiol.
D)   dihydrotestosterone.
E)   anti-Müllerian hormone.F) A) and E)
G) A) and D)

Question 12

Impairment of oxytocin secretion in a ________ would be expected to ________.

Accepted Answer

A)   male; reduce ejaculatory force
B)   female; permanently lower the voice
C)   male; produce hair loss
D)   male; reduce sexual refractory periods
E)   female; increase sexual desireF) B) and D)
G) A) and B)

Question 13

Which of the following is considered to be a human sex organ?

Accepted Answer

A)   ovaries
B)   adrenal gland
C)   pancreas
D)   pituitary
E)   thyroidF) B) and E)
G) A) and C)

Question 14

The ________ effect refers to the situation in which a group of female mice that are housed together show a slowing down and then a termination of their estrous cycles.

Accepted Answer

A)   Whitten
B)   Bruce
C)   Bruce-Lee
D)   Lee-Boot
E)   VandenberghF) B) and D)
G) A) and B)

Question 15

The key distinction between an organizational hormone effect and an activational hormone effect is that

Accepted Answer

A)   activational effects are permanent.
B)   organizational effects are permanent.
C)   organizational effects only occur during adulthood.
D)   activational effects are mediated by receptors, whereas organizational effects are due to temporary changes in neurotransmitter secretion.
E)   organizational effects only occur in the brain.F) A) and D)
G) B) and D)

Question 16

Which of the following accurately represents the neural pathways that control the muscles responsible for lordosis in female rats?

Accepted Answer

A)   medial amygdala -> medial preoptic area -> PAG -> ventral horn of the spinal cord
B)   VMH -> PAG -> medullary reticular formation -> ventral horn motor neurons
C)   VMH -> nucleus accumbens -> dorsal horn of the spinal cord
D)   medial amygdala -> medial preoptic area -> PAG -> nucleus ambiguous
E)   VMH -> amygdala -> medullary reticular formationF) None of the above
G) C) and E)

Question 17

An example of an activational effect induced by the hormone estradiol would be

Accepted Answer

A)   growth of the uterine lining during the menstrual cycle.
B)   growth of axillary hair in females.
C)   differentiation of the Wolffian system into the fimbriae, Fallopian tubes, uterus, and vagina.
D)   maturation of the ovaries in a female.
E)   alteration of the vocal cords to create a "deep" voice.F) A) and C)
G) A) and B)

Question 18

Nest building is facilitated by administration of

Accepted Answer

A)   progesterone.
B)   estradiol.
C)   oxytocin.
D)   testosterone.
E)   prolactin.F) A) and E)
G) A) and C)

Question 19

A single egg contributes ________ to the developing zygote.

Accepted Answer

A)   XX
B)   X
C)   Y
D)   XY
E)   XOF) None of the above
G) C) and E)

Question 20

Blanchard's research on family patterns and homosexuality indicates that

Accepted Answer

A)   older fathers are more likely to have homosexual sons.
B)   older mothers are more likely to have homosexual daughters.
C)   homosexual women have more older brothers than do heterosexual women.
D)   homosexual men tend to have more older sisters than do heterosexual men.
E)   homosexual men tend to have more older brothers than do heterosexual men.F) A) and C)
G) B) and D)

Exam 10: Reproductive Behavior

A hormone that prevents the prenatal development of the Müllerian system is said to have a(n) ________ effect.

Correct AnswerverifiedShow Answer

Which of the following is true of pheromone action in humans?

Correct AnswerverifiedShow Answer

The ________ effect refers to the situation in which a group of female mice that are housed together show a slowing down and then a termination of their estrous cycles.

Correct AnswerverifiedShow Answer

Which of the following accurately represents the neural pathways that control the muscles responsible for lordosis in female rats?

Correct AnswerverifiedShow Answer

An example of an activational effect induced by the hormone estradiol would be

Correct AnswerverifiedShow Answer

________ reflects the eagerness of the female rat to copulate.

Correct AnswerverifiedShow Answer

The key distinction between an organizational hormone effect and an activational hormone effect is that

Correct AnswerverifiedShow Answer

Male sexual behavior in the rat is critically dependent on the

Correct AnswerverifiedShow Answer

Impairment of oxytocin secretion in a ________ would be expected to ________.

Correct AnswerverifiedShow Answer

Which of the following terms belong together?

Correct AnswerverifiedShow Answer

Neurons in the ________ portion of the spinal cord are critical for the circuits of ejaculation but not erection.

Correct AnswerverifiedShow Answer

Nest building is facilitated by administration of

Correct AnswerverifiedShow Answer

Which of the following is considered to be a human sex organ?

Correct AnswerverifiedShow Answer

The prenatal development of the external male genitalia requires the presence of

Correct AnswerverifiedShow Answer

Sexual behavior in a castrated male rat can be restored by infusion of ________ into the ________.

Correct AnswerverifiedShow Answer

Blanchard's research on family patterns and homosexuality indicates that

Correct AnswerverifiedShow Answer

A single egg contributes ________ to the developing zygote.

Correct AnswerverifiedShow Answer

Damage to the ________ will disrupt rodent nest building and pup care, but not female sexual behavior.

Correct AnswerverifiedShow Answer

Which hormone causes ovulation?

Correct AnswerverifiedShow Answer

The ________ directly inhibits the spinal motor neurons that control male sexual reflexes.

Correct AnswerverifiedShow Answer

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Impairment of oxytocin secretion in a would be expected to .

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Sexual behavior in a castrated male rat can be restored by infusion of into the .

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