Human Sexuality PSY 100
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
In a 2009 national survey, about _____ in 8 sexually active American 14 to 17-year-olds reported using condoms.
6
In one survey, about _____ percent of 12 to 17-year-old American girls who have had sex said they regretted it.
72
About _____ percent of both men and women say they have had sexual fantasies.
95
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.
These researchers in human sexuality observed muscle contractions all over the body during orgasm.
William Masters and Virginia Johnson
_____ were researchers in human sexuality who observed muscle contractions all over the body during orgasm.
William Masters and Virginia Johnson
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.
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.
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.
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 correct order of the stages of the sexual response cycle is:
excitement, plateau, orgasm, and resolution.
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)
About 95 percent of both men and women say they have had sexual _____.
fantasies
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
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
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
According to research by the Kinsey Institute:
homosexuals are no more likely than heterosexuals to have been smothered by motherly love.
According to one study, a section of the _____ has been found to be larger in homosexual men than in heterosexual men.
hypothalamus
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.
Typically, when compared to women, men fantasize about sex more often, more physically, and _____ romantically.
less
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
With repeated exposure, the emotional response to any erotic stimulus often _____, or habituates.
lessens
The more sexual content adolescents view, the:
more likely they are to perceive their peers as sexually active.
Typically, when compared to women, men fantasize about sex _____ often, more physically, and _____ romantically.
more; less
Typically, when compared to women, men fantasize about sex _____ often, _____ physically, and less romantically.
more; more
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
According to the fraternal birth-order effect, men who have _____ are more likely than others to be homosexual.
older brothers
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
The correct order of the stages of the sexual response cycle is excitement, plateau, _____, and resolution.
orgasm
A person's enduring sexual attraction toward members of their own sex or the other sex is called their sexual _____.
orientation
A person's enduring sexual attraction toward members of their own sex or the other sex is called their sexual:
orientation.
Which of the following is NOT a factor that is correlated with higher rates of teen pregnancy?
peer pressure to abstain from sexual activities
During the _____ phase, breathing, pulse, and blood pressure rates continue to increase and sexual excitement peaks.
plateau
The correct order of the stages of the sexual response cycle is excitement, _____, orgasm, and resolution.
plateau
During the _____, breathing, pulse, and blood pressure rates continue to increase and sexual excitement peaks.
plateau phase
Tony went to see his doctor because he reaches orgasms quickly. Tony was diagnosed with _____.
premature ejaculation
Which of the following is indicative of a sexual disorder?
premature ejaculation
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
The correct order of the stages of the sexual response cycle is excitement, plateau, orgasm, and ______.
resolution
The refractory period begins during the _____ phase.
resolution
Research has shown that biological, psychological, and _____ influences have an influence on the sexual motivation of human beings.
social-cultural
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
People's sexual orientation is so basic to their identity that it operates _____.
subconsciously
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
Fourteen-year-old Wade is experiencing an increase in the hormone _____, which causes his sexual arousal to increase.
testosterone
The removal of a woman's ovaries may contribute to decreasing sexual interest because her natural _____ level is lowered.
testosterone
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
The removal of a woman's ovaries may contribute to decreasing sexual interest because her natural _____ level is _____.
testosterone; lowered
The correct order of the stages of the sexual response cycle is _____, plateau, orgasm, and resolution.
excitement
Typically, when compared to women, men fantasize about sex more often, _____ physically, and less romantically.
more
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
Which of the following pairings can be most easily explained by evolutionary psychology?
A young woman marries a successful middle-aged man.
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."
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.
_____ is a sex hormone that is secreted in greater amounts in females than in males.
Estrogen
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
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.
Teenage girls seem to be especially vulnerable to _____ because of their lower levels of protective antibodies.
STIs
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.
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
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
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
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
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.
Research has shown that _____, psychological, and social-cultural influences have an influence on the sexual motivation of human beings.
biological
Research has shown that psychological, _____, and social-cultural influences have an influence on the sexual motivation of human beings.
biological
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
According to researcher Simon LeVay, it is likely that _____ anatomy influences sexual orientation.
brain
The text suggests that the _____"is our most significant sex organ."
brain
According to researcher Simon LeVay, it is likely that:
brain anatomy influences sexual orientation.
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
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
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.
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
Since 1998, Viagra has been a highly successful treatment for _____.
erectile dysfunction
Since 1998, Viagra has been a highly successful treatment for:
erectile dysfunction.
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.
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
In several experiments, teens who volunteered as either teacher aides or participated in community projects had _____ pregnancy rates than those who did not.
lower
Teens who volunteer as either teacher aides or participate in community projects have _____ pregnancy rates than those who do not.
lower
Casual, impulsive sex is most frequent among _____ with traditional masculine attitudes.
males (or men)
Compared to their female classmates, college-age men are _____ likely to engage in risky sexual practices.
more
The more sexual content adolescents view, the _____ likely they are to perceive their peers as sexually active.
more
Typically, when compared to women, men fantasize about sex _____ often, more physically, and less romantically.
more
During which phase of the sexual response cycle does the refractory period begin?
the resolution phase
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
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.
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
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