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During the _____, the genital areas become engorged with blood, a woman's vagina expands and secretes lubricant, and her breasts and nipples may enlarge.

excitement phase

Even though the apparent arousal in men and women exposed to sexual stimuli is roughly the same, men do exhibit more activity in their _____ than do women.

amygdala

A person's enduring sexual attraction toward members of their own sex or the other sex is called their sexual _____.

orientation

Casual, impulsive sex is most frequent among _____ with traditional masculine attitudes.

males (or men)

The removal of a woman's ovaries may contribute to decreasing sexual interest because her natural _____ level is _____.

testosterone; lowered

With repeated exposure, the emotional response to any erotic stimulus often _____, or habituates.

lessens

According to researcher Simon LeVay, it is likely that _____ anatomy influences sexual orientation.

brain

Which of the following statements regarding the gender differences in sexuality would an evolutionary psychologist be most likely to agree with?

Women have lower reproductive potential than do men.

The correct order of the stages of the sexual response cycle is:

excitement, plateau, orgasm, and resolution.

In a study that followed hundreds of 5- to 18-year-old girls from New Zealand and the United States, _____ correlated with sexual activity before age 16.

a father's absence

According to one study, a section of the _____ has been found to be larger in homosexual men than in heterosexual men.

hypothalamus

According to Alice Eagly and Wendy Wood, cultures with gender inequality where men are providers and women are "homemakers" are more likely to have _____ than are cultures with gender equality.

greater gender differences in mate preferences

_____ is a sex hormone that is secreted in greater amounts in females than in males.

Estrogen

In one survey, about _____ percent of 12 to 17-year-old American girls who have had sex said they regretted it.

72

According to the fraternal birth-order effect, men who have _____ are more likely than others to be homosexual.

older brothers

Which of the following pairings can be most easily explained by evolutionary psychology?

A young woman marries a successful middle-aged man.

How did the rate of sexually transmitted infections (STIs) among "commercial sex workers" in Thailand drop from more than 400,000 cases to fewer than 30,000 cases in a four-year period?

Thailand promoted a policy of 100-percent condom use by such individuals during that time.

A National Longitudinal Study of Adolescent Health followed conservative teens who either did or did not pledge sexual abstinence until marriage. After five years, the research found that:

those who pledged to abstinence were just as likely to have had premarital sex as those who didn't take the pledge.

Despite popular misconception, approximately what percentage of people in the United States of America and Europe are exclusively homosexual?

3 to 4 percent of men, and 1 to 2 percent of women

From an evolutionary perspective, which is the LEAST likely information one would probably find in the personal ads of an American newspaper?

Women promoting their maturity and affluence by citing career and wealth.

The correct order of the stages of the sexual response cycle is excitement, _____, orgasm, and resolution.

plateau

About _____ percent of both men and women say they have had sexual fantasies.

95

Which of the following research findings suggesting significant biological contributors to sexual orientation has NOT been reported in the literature cited in the text?

The use of medications used to suppress certain neurotransmitters during infancy led to a reduction in homosexual orientation during adulthood.

Marcia and Joseph are both 22 years old and are best friends. Together they decide to go to a "singles" bar on a Saturday night. Based on research cited in your text, which of these two is more likely to accept an offer for a casual one-night sexual encounter?

Joseph

The correct order of the stages of the sexual response cycle is _____, plateau, orgasm, and resolution.

excitement

Research investigating the responses that people have to erotic stimuli has found that erotic stimuli produce _____ levels of arousal in both men and women.

virtually identical

A critic of evolutionary psychology is NOT likely to make which of the following statements?

Natural selection explains much of the difference between women's and men's approach to sex.

These researchers in human sexuality observed muscle contractions all over the body during orgasm.

William Masters and Virginia Johnson

Even though the apparent arousal in men and women exposed to sexual stimuli is roughly the same, men do exhibit more activity in their _____, which is part of the limbic system, than do women.

amygdala

According to research by the Kinsey Institute:

homosexuals are no more likely than heterosexuals to have been smothered by motherly love.

Compared to their female classmates, college-age men are _____ likely to engage in risky sexual practices.

more

In a 2009 national survey, about _____ in 8 sexually active American 14 to 17-year-olds reported using condoms.

6

Typically, when compared to women, men fantasize about sex _____ often, more physically, and less romantically.

more

According to researcher Simon LeVay, it is likely that:

brain anatomy influences sexual orientation.

Some psychologists suggest that older men in many cultures tend to marry women younger than themselves because men are genetically predisposed to seek female features associated with youthful fertility. This suggestion best illustrates:

an evolutionary perspective.

Joanie has noticed a decrease in her level of sexual interest since she had her ovaries removed. This decrease has most likely occurred because her natural _____ level is _____.

testosterone; lowered

Research has shown that _____, psychological, and social-cultural influences have an influence on the sexual motivation of human beings.

biological

Joshua has three older brothers. According to research on fraternal birth order effect, Joshua is _____ more likely to be gay than Dan, who has two older brothers.

one-third

From an evolutionary perspective, it is very _____ that a woman would advertise her maturity and affluence in the personal ads of an American newspaper?

unlikely

The correct order of the stages of the sexual response cycle is excitement, plateau, _____, and resolution.

orgasm

In a study that followed hundreds of 5- to 18-year-old girls from New Zealand and the United States, the absence of a _____ correlated with sexual activity before age 16.

father

A person's enduring sexual attraction toward members of their own sex or the other sex is called their sexual:

orientation.

Lisa is a college-aged female that is very impulsive and has frequent sexual relationships with college-aged men. Her engagement in risky sexual practices is _____ for her gender.

not typical

The removal of a woman's ovaries may contribute to decreasing sexual interest because her natural _____ level is lowered.

testosterone

A high-school junior stated in health class that women cannot get pregnant if the man is still in the plateau phase of the sexual response cycle. The teacher responds by saying that this is _____.

false (or untrue)

Women, more than men, prefer to alternate periods of high sexual activity with periods of very little sexual activity. This best illustrates gender differences in:

erotic plasticity.

Fenwick is unable to have an erection and has gone to his doctor to discuss the problem. Fenwick's doctor referred to this problem as _____.

erectile dysfunction

The text suggests that the brain "is our most significant sex organ"

because sexual desire can be experienced even in the absence of physical stimuli.

In one older survey of masturbation-related fantasies, _____ percent of women and _____ percent of men reported imagining being "taken" by someone overwhelmed with desire for them.

19; 10

Russell is a 16-year-old who lives in a rural community and is struggling with his sexuality. He is realizing that he is attracted to other males and not females. He is afraid that he will be rejected by his family and peers. A respected member of the American Psychological Association might advise him to:

learn to accept these feeling for they are unchangeable.

Your father thinks that _____ is a choice people make, not a result of genetics. In an attempt to dissuade him of this belief, you share research where researchers have been able to create female fruit flies that, during courtship, act like males.

homosexual activity

Desiree has noticed a decrease in her level of sexual interest since she had her ovaries removed. This decrease has most likely occurred because her natural _____ level is lower.

testosterone

Research investigating the responses that people have to erotic stimuli has found which of the following results?

Erotic stimuli produce virtually identical levels of arousal in both men and women.

In addition to sexual orientation, the text notes several other traits where homosexuals differ from heterosexuals. These are used as evidence of _____ influences on sexual orientation.

prenatal

Research has shown that psychological, _____, and social-cultural influences have an influence on the sexual motivation of human beings.

biological

In the 1920's when hemlines reached the knee, an exposed female leg was considered erotic. Today an exposed leg is less likely to elicit such a response. This is an example of emotional response _____ caused by repeated exposure.

lessening

Teenage girls seem to be especially vulnerable to _____ because of their lower levels of protective antibodies.

STIs

Malcolm is unable to have an erection and has gone to his doctor to discuss the problem. Malcolm's doctor referred to this problem as:

erectile disorder.

Lisa's genital areas have become engorged with blood and her vagina expands and secretes lubricant; her breasts and nipples enlarge from her partner's caresses. She is in the _____ phase.

excitement

The more sexual content adolescents view, the:

more likely they are to perceive their peers as sexually active.

Sasha is a 4-year-old female cat who is "in heat." She is yowling to be let out of the house. Her owner knows that when she is "in heat":

All of these things will occur when Sasha is "in heat."

Typically, when compared to women, men fantasize about sex more often, more physically, and _____ romantically.

less

The more sexual content adolescents view, the _____ likely they are to perceive their peers as sexually active.

more

Tony went to see his doctor because he reaches orgasms quickly. Tony was diagnosed with _____.

premature ejaculation

Fourteen-year-old Wade is experiencing an increase in the hormone _____, which causes his sexual arousal to increase.

testosterone

Although sexually explicit materials are sold mostly to men, the women who volunteer to participate in research studies experience ____ arousal compared to the men.

almost the same amount of

Teens who volunteer as either teacher aides or participate in community projects have _____ pregnancy rates than those who do not.

lower

In several experiments, teens who volunteered as either teacher aides or participated in community projects had _____ pregnancy rates than those who did not.

lower

People's sexual orientation is so basic to their identity that it operates _____.

subconsciously

Since 1998, Viagra has been a highly successful treatment for:

erectile dysfunction.

About 95 percent of both men and women say they have had sexual _____.

fantasies

Which of the following is NOT a factor that is correlated with higher rates of teen pregnancy?

peer pressure to abstain from sexual activities

The text suggests that the _____"is our most significant sex organ."

brain

Research has shown which of the following to be an influence on the sexual motivation of human beings?

biological, psychological, and social-cultural influences all affect human sexual motivation

The correct order of the stages of the sexual response cycle is excitement, plateau, orgasm, and ______.

resolution

Research has shown that biological, psychological, and _____ influences have an influence on the sexual motivation of human beings.

social-cultural

Typically, when compared to women, men fantasize about sex more often, _____ physically, and less romantically.

more

The rate of sexually transmitted infections (STIs) among "commercial sex workers" in Thailand dropped from more than 400,000 cases to fewer than 30,000 cases in a four-year period because Thailand promoted a policy of 100-percent _____ use by such individuals during that time.

condom

Some studies show that although sexually explicit materials are sold mostly to men, the women who volunteer to participate in the studies experience ____ amounts of arousal compared to the men.

the same

Typically, when compared to women, men fantasize about sex _____ often, more physically, and _____ romantically.

more; less

During which phase of the sexual response cycle does the refractory period begin?

the resolution phase

Since 1998, Viagra has been a highly successful treatment for _____.

erectile dysfunction

During the _____, breathing, pulse, and blood pressure rates continue to increase and sexual excitement peaks.

plateau phase

_____ were researchers in human sexuality who observed muscle contractions all over the body during orgasm.

William Masters and Virginia Johnson

During the _____ phase, breathing, pulse, and blood pressure rates continue to increase and sexual excitement peaks.

plateau

Which of the following is indicative of a sexual disorder?

premature ejaculation

Though she has had sexual intercourse, 30-year-old Mai has never had an orgasm. Her physician has told her she has:

an orgasmic dysfunction.

The refractory period begins during the _____ phase.

resolution

During the _____ phase, the genital areas become engorged with blood, a woman's vagina expands and secretes lubricant, and her breasts and nipples may enlarge.

excitement

Typically, when compared to women, men fantasize about sex _____ often, _____ physically, and less romantically.

more; more

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