Chapter 4

A full orgasm for men, with ejaculation, s almost always followed by a refractory period.

True

Both men and women can experience nipple erection during the excitement phase.

True

Many women do not separate desire from excitement (arousal)

True

Regular use of cocaine often leads to erectile problems and difficulties reaching orgasm

True

Some people who have suffered severe spinal cord injuries can experience orgasm.

True

The rhythmic muscular contractions during orgasm recorded by Masters and Johnson are not strongly related to a person's subjective sensations of pleasure.

True

The secretion of fluids from the vaginal walls may slow down if the plateau phase is prolonged.

True

There is more variation in penis length in the unaroused condition than in the erect state

True

Vaginal lubrication is actually super filtered blood plasma

True

Some women emit a fluid during orgasm that comes from the ________

Urethra

Tissues becoming filled with blood during sexual arousal is called ______.

Vasocongestion

The first physiological response in the excitement phase for both men and women is a _______ response which results in _______ in men and _______ in women.

Vasocongestive Penile erection Vaginal lubrication

The walls of the inner two thirds of the vagina are very sensitive to touch, thus making penis length an important factor during intercourse.

False

There is a strong relationship between vaginal vasocongestion hand a woman's subjective sense of sexual arousal

False

Use of marijuana generally improves sexual performance

False

When the clitoris pulls back and disappears beneath the clitoral hood, it means that a woman is less sexually aroused than before.

False

A sensitive area that is found on the front wall of the vagina in about 10% of all women is called the ______

G-spot

Many people have tried to enhance their sexual desire or performance by taking substances called ________, but there is little evidence that they have any real affect.

aphrodisiac

Often researches have organized the physiological responses of sexual activity into few or more phases, and this text follows the model of sex therapist ______ and includes _______ as the first phase.

Helen Kaplan desire

_________ observed and recorded physiological responses from hundreds of people engaged in sexual activity.

Masters and Johnson

Recent studies indicate that the real essence of orgasm is not in the genitals, but in the ______.

brain

Two theories as to why women have orgasms are _____ and ______.

byproduct theory and evolutionary adaption theory

Masters and Johnson claimed that all women in good health are capable of reaching orgasm during intercourse, but Helen Kaplan and others believe that many women are incapable of reaching orgasm during intercourse without simultaneous ______ stimulation.

clitoral

Freud believed that there were two types of female orgasm, one caused by ______ stimulation and another by ______ sensations.

clitoral vaginal

Masters and Johnson originally claimed that all female orgasms were identical and were focused in the ____.

clitoris

The expulsion of semen from the penis is called _____.

ejaculation

Men's orgasms occur in two stages, _____ and _____.

emission and expulsion

Stimulation of the G-spot sometimes resulted in _______ during orgasm.

emission of fluid

Unlike most men, some women can have ______, defined as two or more orgasms in quick succession without dropping below the plateau level.

multiple orgasms

Most women say that the size of a partner's penis is ________ for their pleasure during intercourse.

not important

In men, a fluid is emitted from the urethra in the ____ phase.

orgasm

Rhythmic muscular contractions occur in outer vagina, uterus, and anal sphincter muscles in the _____ phase

orgasm

Rhythmic muscular contractions occur in the vas deferens, prostate gland, urethra, and anal sphincter muscles in the ____ phase

orgasm

During the _____ phase in women, the tissues of the outer third of the vagina become swollen with blood, causing the vaginal opening to narrow

plateau

The labia minora become engorged with blood in the ____ phase which is due to a ______ response.

plateau Vasocongestive

In some women, the emission of fluid when the G-spot is stimulated, was identified as urine, but in others it contained an enzyme found in secretions from men's ______.

prostate gland

During the orgasmic platform, the clitoris _______.

pulls back to the pubic bone

After ejaculating, most men have a period of time called the _______ during which it is impossible for them to have another orgasm.

refractory period

After men have an orgasm, their physiological responses generally dip below plateau, during which time they cannot have another orgasm, this period is known as the _____.

refractory period

In the ____ phase, blood drains from breasts, outer third of the vagina, labia minora, and clitoris.

resolution

In the ____ phase, blood drains from the penis and testicles

resolution

The _____ phase, is the return to the unaroused state

resolution

The return to the unaroused state is called _____.

resolution

At the time of the orgasm, both men and women have _______ in specific tissues that initially occur every .8 seconds.

rhythmic muscular contractions

Most women and many men get a skin rash called the ______ when they become highly sexually aroused

sex tension rash

Men's and women's descriptions of orgasm are ______.

similar

Some women report having experienced different types of orgasms, and work conducted in the 1980s revealed that many of these women had a sensitive area on the _____ wall of the vagina called the ______.

front G-spot

The presence of vaginal lubrication means that a women is ready to begin sexual intercourse.

False

Generally speaking, descriptions of orgasm written by women can be easily distinguished from those written by men.

False

Orgasm and ejaculation occur at the same time in men and are actually the same event.

False

The first physiological signs of arousal in men occur within seconds, but take several minutes to begin in women.

False

By most estimates, only ______ % of adult women experience orgasm regularly during sexual intercourse.

50-75

Early in the plateau phase, _______ % of women and about 25% of all men experience a rash on the skin called the _______.

50-75 sex-tension flush

A man's penis size is related to his height, weight, and race

False

Alcohol excites the central nervous system and enhances sexual performance

False

In the _____ phase, an awareness that one wants or wishes to attain a sexual goal occurs

Desire

The labia majora flatten and spread apart in the _____ phase

Excitement

The scrotum thickens and helps pull the testicles toward the body in the _____ phase

Excitement

The walls of the inner two thirds of the vagina begin to balloon out in the ____ phase

Excitement

In the ____ phase, the penis starts to become erect and this is due to a _____ response.

Excitement Vasocongestive

In the ____ phase, vaginal lubrication begins. This is due to a _____ response.

Excitement Vasocongestive

Nipples become erect in the _____ phase which is due to a ____ response

Excitement Vasocongestive

The clitoris is most prominent at the _____ phase and this is due to a _____ response

Excitement Vasocongestive

Masters and Johnson divided the physiological responses during sex into four phases: _____, ______, _____, and _____

Excitement, plateau, orgasm, and resolution

The ______ is the response in women in the plateau phase where the tissues of the outer third of the vagina become swollen with blood, causing the vaginal opening to narrow

Orgasmic Platform

The engorgement and swelling of the outer third of the vagina was named the ________ by Masters and Johnson

Orgasmic platform

In the ____ phase, the clitoris pulls back against the pubic bone.

Plateau

Nipples appear to be less erect in what phase?

Plateau

Sex tension flush appears in the ____ phase.

Plateau

The Cowper's glands secrete a few drops of clear fluid in the _____ phase

Plateau

Testicles increase in size by 50-100% in the ____ phase which is a _____ response.

Plateau Vasocongestive

The outer third of the vagina becomes engorged with blood in the _____ phase. This is due to a _____ response.

Plateau Vasocongestive

The pattern of the physiological responses of sexual activity is often referred to as the _______.

Sexual Response Cycle

IN women, physiological arousal does not correlate well with ______, which depends more on relationship and intimacy needs.

subjective arousal