Question 1

Progesterone prepares the uterus for the implantation of a fertilized ovum and promotes the maintenance of pregnancy.

Accepted Answer

A) True 
 B)False

Question 2

Which hypothesis is LEAST plausible as a biological explanation for why some men have a homosexual orientation and others have a heterosexual orientation?

Accepted Answer

A)  Genetics 
B)  effects of prenatal hormones or stress 
C)  different structures within the hypothalamus 
D)  different levels of sex hormones in adulthood 
A)  Genetics 
B)  effects of prenatal hormones or stress 
C)  different structures within the hypothalamus 
D)  different levels of sex hormones in adulthood

Question 3

In the Dominican Republic, certain genetic males who were regarded in early childhood as girls have developed into boys at puberty. What happened to their gender identity?

Accepted Answer

A)  Most adopted a clear male gender identity. 
B)  Most retained a clear female gender identity. 
C)  About half developed a clear male identity; the other half developed a clear female identity. 
D)  Most developed a confused gender identity. 
A)  Most adopted a clear male gender identity. 
B)  Most retained a clear female gender identity. 
C)  About half developed a clear male identity; the other half developed a clear female identity. 
D)  Most developed a confused gender identity.

Question 4

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 5

The difference between males and females in the sexually dimorphic nucleus is that it is:

Accepted Answer

A)  larger in males than in females. 
B)  larger in females than in males. 
C)  present in males, absent in females. 
D)  present in females, absent in males. 
A)  larger in males than in females. 
B)  larger in females than in males. 
C)  present in males, absent in females. 
D)  present in females, absent in males.

Question 6

If a never pregnant female rat is left for 5-10 days with a litter of babies, she will:

Accepted Answer

A)  most likely kill them. 
B)  initially ignore them, but eventually will become more attentive. 
C)  initially be attentive, but eventually will ignore them. 
D)  immediately respond to them as though she gave birth to them. 
A)  most likely kill them. 
B)  initially ignore them, but eventually will become more attentive. 
C)  initially be attentive, but eventually will ignore them. 
D)  immediately respond to them as though she gave birth to them.

Question 7

Some studies have linked male homosexuality to having a greater number of:

Accepted Answer

A)  older sisters. 
B)  younger sisters. 
C)  older brothers. 
D)  younger brothers. 
A)  older sisters. 
B)  younger sisters. 
C)  older brothers. 
D)  younger brothers.

Question 8

At what point in the menstrual cycle, if any, are women who are not on birth-control pills most likely to initiate sexual activity?

Accepted Answer

A)  at any point in the menstrual cycle 
B)  just after the end of menstruation 
C)  about midway between two menstrual periods 
D)  just before the next menstrual period 
A)  at any point in the menstrual cycle 
B)  just after the end of menstruation 
C)  about midway between two menstrual periods 
D)  just before the next menstrual period

Question 9

The anterior commissure, on the average, is:

Accepted Answer

A)  smaller in heterosexual women than heterosexual men. 
B)  larger in heterosexual women than heterosexual men. 
C)  smaller in homosexual men than heterosexual men. 
D)  larger in heterosexual men than homosexual men. 
A)  smaller in heterosexual women than heterosexual men. 
B)  larger in heterosexual women than heterosexual men. 
C)  smaller in homosexual men than heterosexual men. 
D)  larger in heterosexual men than homosexual men.

Question 10

In congenital adrenal hypertrophy, the hypothalamus directs the pituitary to increase production of a hormone that in turn causes the adrenal gland to:

Accepted Answer

A)  decrease production of cortisol 
B)  decrease production of insulin 
C)  increase production of testosterone 
D)  increase production of alpha feto-protein 
A)  decrease production of cortisol 
B)  decrease production of insulin 
C)  increase production of testosterone 
D)  increase production of alpha feto-protein

Question 11

The sexually dimorphic nucleus is located in the:

Accepted Answer

A)  thalamus. 
B)  Wolffian ducts. 
C)  anterior hypothalamus. 
D)  male brain, only. 
A)  thalamus. 
B)  Wolffian ducts. 
C)  anterior hypothalamus. 
D)  male brain, only.

Question 12

What has been found in studies that relate male homosexuality in humans to prenatal stressors?

Accepted Answer

A)  Prenatal stress is consistently related to homosexuality in men. 
B)  There has been no evidence linking prenatal stress to homosexuality in men. 
C)  Stress during delivery is weakly related to homosexuality in men. 
D)  The findings are inconclusive. 
A)  Prenatal stress is consistently related to homosexuality in men. 
B)  There has been no evidence linking prenatal stress to homosexuality in men. 
C)  Stress during delivery is weakly related to homosexuality in men. 
D)  The findings are inconclusive.

Question 13

Gender identity can be defined as:

Accepted Answer

A)  the pattern of sex chromosomes one has. 
B)  the sex one identifies with and calls oneself. 
C)  sexual awareness present in almost all mammalian species. 
D)  the set of activities presumed to be common for one sex or another in a society. 
A)  the pattern of sex chromosomes one has. 
B)  the sex one identifies with and calls oneself. 
C)  sexual awareness present in almost all mammalian species. 
D)  the set of activities presumed to be common for one sex or another in a society.

Question 14

During the early sensitive period, immature mammals have a protein called alpha-fetoprotein, which is also present in adults.

Accepted Answer

A) True 
 B)False

Question 15

Give some examples of evolutionary interpretations of mating behavior.

Accepted Answer

The answer of Give some examples of evolutionary interpretations of...

Question 16

Drugs that, in some cases, have reduced the frequency of sexual offenders work by:

Accepted Answer

A)  reducing testosterone levels. 
B)  increasing estrogen levels. 
C)  inducing high but equal levels of testosterone and estrogen. 
D)  mimicking the effects of alpha-fetoprotein. 
A)  reducing testosterone levels. 
B)  increasing estrogen levels. 
C)  inducing high but equal levels of testosterone and estrogen. 
D)  mimicking the effects of alpha-fetoprotein.

Question 17

The hormone that prepares the uterus for pregnancy is:

Accepted Answer

A)  testosterone. 
B)  androgen. 
C)  progesterone. 
D)  estradiol. 
A)  testosterone. 
B)  androgen. 
C)  progesterone. 
D)  estradiol.

Question 18

If a female rat is exposed to highly stressful experiences late in pregnancy, what happens to the sexual development of her offspring?

Accepted Answer

A)  The genetic males become responsive to male partners. 
B)  The genetic females become responsive to female partners. 
C)  Both male and female offspring become unresponsive to all sexual partners. 
D)  Both male and female offspring become highly aggressive in their sexual behaviors. 
A)  The genetic males become responsive to male partners. 
B)  The genetic females become responsive to female partners. 
C)  Both male and female offspring become unresponsive to all sexual partners. 
D)  Both male and female offspring become highly aggressive in their sexual behaviors.

Question 19

Which of the following is unique to genetic males early in development?

Accepted Answer

A)  Wolffian ducts 
B)  primitive gonads 
C)  Müllerian ducts 
D)  Müllerian inhibiting hormone 
A)  Wolffian ducts 
B)  primitive gonads 
C)  Müllerian ducts 
D)  Müllerian inhibiting hormone

Question 20

Steroid hormones produce their effects by:

Accepted Answer

A)  disrupting cell membranes. 
B)  opening ion channels. 
C)  increasing cholesterol levels. 
D)  entering cells and affecting gene expression. 
A)  disrupting cell membranes. 
B)  opening ion channels. 
C)  increasing cholesterol levels. 
D)  entering cells and affecting gene expression.

Progesterone prepares the uterus for the implantation of a fertilized ovum and promotes the maintenance of pregnancy.

Which hypothesis is LEAST plausible as a biological explanation for why some men have a homosexual orientation and others have a heterosexual orientation?

In the Dominican Republic, certain genetic males who were regarded in early childhood as girls have developed into boys at puberty. What happened to their gender identity?

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

The difference between males and females in the sexually dimorphic nucleus is that it is:

If a never pregnant female rat is left for 5-10 days with a litter of babies, she will:

Some studies have linked male homosexuality to having a greater number of:

At what point in the menstrual cycle, if any, are women who are not on birth-control pills most likely to initiate sexual activity?

The anterior commissure, on the average, is:

In congenital adrenal hypertrophy, the hypothalamus directs the pituitary to increase production of a hormone that in turn causes the adrenal gland to:

The sexually dimorphic nucleus is located in the:

What has been found in studies that relate male homosexuality in humans to prenatal stressors?

Gender identity can be defined as:

During the early sensitive period, immature mammals have a protein called alpha-fetoprotein, which is also present in adults.

Give some examples of evolutionary interpretations of mating behavior.

Drugs that, in some cases, have reduced the frequency of sexual offenders work by:

The hormone that prepares the uterus for pregnancy is:

If a female rat is exposed to highly stressful experiences late in pregnancy, what happens to the sexual development of her offspring?

Which of the following is unique to genetic males early in development?

Steroid hormones produce their effects by:

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

Exam 11: Reproductive Behaviors

Progesterone prepares the uterus for the implantation of a fertilized ovum and promotes the maintenance of pregnancy.

Which hypothesis is LEAST plausible as a biological explanation for why some men have a homosexual orientation and others have a heterosexual orientation?

In the Dominican Republic, certain genetic males who were regarded in early childhood as girls have developed into boys at puberty. What happened to their gender identity?

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

The difference between males and females in the sexually dimorphic nucleus is that it is:

If a never pregnant female rat is left for 5-10 days with a litter of babies, she will:

Some studies have linked male homosexuality to having a greater number of:

At what point in the menstrual cycle, if any, are women who are not on birth-control pills most likely to initiate sexual activity?

The anterior commissure, on the average, is:

In congenital adrenal hypertrophy, the hypothalamus directs the pituitary to increase production of a hormone that in turn causes the adrenal gland to:

The sexually dimorphic nucleus is located in the:

What has been found in studies that relate male homosexuality in humans to prenatal stressors?

Gender identity can be defined as:

During the early sensitive period, immature mammals have a protein called alpha-fetoprotein, which is also present in adults.

Give some examples of evolutionary interpretations of mating behavior.

Drugs that, in some cases, have reduced the frequency of sexual offenders work by:

The hormone that prepares the uterus for pregnancy is:

If a female rat is exposed to highly stressful experiences late in pregnancy, what happens to the sexual development of her offspring?

Which of the following is unique to genetic males early in development?

Steroid hormones produce their effects by:

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