Human Sexuality Midterm 3

Which of the following best describes the effects of "pleasure center" stimulation on rats and humans? A) The rats experienced intense sexual pleasure, but the human subjects found it irritating. B) The rats appeared unaffected, but the human subjects experienced intense pleasure. C) The rats worked to exhaustion for such stimulation and the human subjects reported intense sexual pleasure. D) Both the rats and the human subjects were unaffected by the stimulation.

The rats worked to exhaustion for such stimulation and the human subjects reported intense sexual pleasure.

________ is the engorgement with blood of body tissues that respond to sexual excitation.

Vasocongestion

Mental events, such as fantasies, are the product of the ________, the gray matter in the brain that controls reasoning and language abilities.

cerebral cortex

Nicotine slows sexual motivation and function by ________.

constricting the blood vessels and decreasing testosterone in the blood

The correct order of Masters and Johnson's model is ________

excitement, plateau, orgasm, resolution

Estrogen therapy in women ________.

has sometimes been found to increase sexual desire and sometimes to have no effect

The effect of castration on sexual desire and erotic functioning in men is ________.

highly variable, ranging from complete cessation of sexual activity to only moderately reduced levels of erotic arousal and expression

In one research study, many women reported that their male partner's silence during sex play ________ their own sexual arousal.

inhibited

Human sexual arousal and response ________.

is probably determined both by psychosocial factors and biological factors

A low testosterone level in men would be most likely to produce which of the following effects?

little interest in sexual activity

Research indicates that when men and women are asked to write their subjective descriptions of orgasm, ________.

male and female descriptions are, on the whole, indistinguishable

Current research evidence seems to indicate that humans do secrete __________, yet it is still uncertain if they influence sexual behavior.

pheromones

The mouth and the genitals are examples of ________ erogenous zones, while the upper and lower back are examples of ________ erogenous zones.

primary; secondary

The orgasmic platform ________.

refers to the increased engorgement of the outer third of the vagina during plateau phase

Which of the following statements is true? A) Generally speaking, women experience more variability in their sexual response than men. B) Generally speaking, men experience more variability in their sexual response than women. C) The variability in male and female sexual response is roughly comparable. D) There are currently no research data available on the variability in male and female sexual response.

A) Generally speaking, women experience more variability in their sexual response than men.

Which of the following statements concerning the orgasm phase in the aging male is false? A) Sensations of ejaculatory inevitability become more intense. B) The number of muscular contractions during orgasm is reduced. C) Orgasm may be less intense. D) The force of ejaculation is reduced.

A) Sensations of ejaculatory inevitability become more intense.

Which of the following best describes how men and women respond sexually to visual erotica? A) When measured by self-reports, men respond more than women; when measured physiologically, both men and women have similar responses. B) When measured by self-reports, men respond more than women; when measured physiologically, women respond more than men. C) When measured by self-reports, men and women have similar responses; when measured physiologically, men respond more than women. D) When measured by self-reports, women respond more than men; when measured physiologically, men respond more than women.

A) When measured by self-reports, men respond more than women; when measured physiologically, both men and women have similar responses.

Which of the following statements concerning the Grafenberg spot is true? A) When this area is stimulated, some women ejaculate a fluid that is chemically similar to male prostate secretions. B) The erotic significance of this area was first discussed in the medical literature at the end of the nineteenth century. C) It is an area approximately the size of a dime, located on the cervix. D) Very gentle stimulation of the area should be used in order for a woman to respond.

A) When this area is stimulated, some women ejaculate a fluid that is chemically similar to male prostate secretions.

Which of the following statements is true? A) Women have less testosterone than men but are more sensitive to it than men are. B) Men and women have similar levels of testosterone but men are more sensitive to it, so they tend to have stronger sex drives than women. C) Raising the level of testosterone above a normal range in men and women increases the sexual motivation in both sexes. D) As men and women age, testosterone deficiency is usually more acute and occurs more quickly in men.

A) Women have less testosterone than men but are more sensitive to it than men are.

All of the following occur during the excitement phase except the ________. A) clitoris retracts underneath the hood B) labia minora increase in size C) scrotum elevates D) penis becomes erect

A) clitoris retracts underneath the hood

Which of the following statements regarding hormones in men and women is false? A) Male testes produce estrogens as well as androgens. B) A woman's ovaries and adrenals produce androgens as well as estrogens. C) The dominant estrogen in males and females is called Depo-Provera. D) The dominant androgen in males and females is testosterone.

C) The dominant estrogen in males and females is called Depo-Provera.

Which of the following statements regarding the refractory period is true? A) It usually lasts several hours for men and several days for women. B) It occurs after the plateau phase of the response cycle. C) The frequency of prior sexual activity will affect the length of this period. D) Vasocongestion occurs during this period.

C) The frequency of prior sexual activity will affect the length of this period.

Which one is not true concerning "multiple orgasms"? A) This refers to having more than one orgasmic experience within a short time interval. B) This experience occurs in about 15% of women sampled. C) They are the preferred expression for females and why they masturbate so much. D) They occur much less frequently in men than in women.

C) They are the preferred expression for females and why they masturbate so much.

Which of the following statements regarding the desire phase of sexual response is true? A) It is included in Masters and Johnson's model. B) All sexual expression is preceded by desire. C) When people have desire problems, they do not necessarily have excitement and/or orgasm problems. D) Excitement is part of the desire phase.

C) When people have desire problems, they do not necessarily have excitement and/or orgasm problems.

Which of the following statements is false? A) Significant amounts of alcohol can negatively affect sexual functioning. B) Cocaine is a known aphrodisiac. C) Antihypertensives may reduce sexual interest in both men and women. D) SSRIs may decrease sexual desire and functioning.

Cocaine is a known aphrodisiac.

Which of the following best summarizes the role of oxytocin in male and female sexual behavior? A) It is secreted during orgasm and heightens orgasmic response. B) It is secreted during pregnancy in the female and only during foreplay in the male. C) It helps to intensify the sense of vision in both sexes. D) It is secreted during cuddling and physical intimacy and increases the skin's tactile sensitivity.

D) It is secreted during cuddling and physical intimacy and increases the skin's tactile sensitivity.

Which of the following statements regarding testosterone is false? A) Erectile difficulties may sometimes be associated with testosterone deficiency. B) Testosterone deficiency may result in decreased genital sexual pleasure for men. C) Women experience a loss of testosterone after menopause or surgical removal of the ovaries. D) Men, but not women, may experience increased sexual desire with remedial administration of testosterone.

D) Men, but not women, may experience increased sexual desire with remedial administration of testosterone.

Which of the following statements concerning survey findings on orgasm in older women is false? A) Some women continue to experience multiple orgasms. B) Some women report inability to experience orgasm. C) The majority of women still consider orgasms to be important. D) Most women no longer experience contractions of the orgasmic platform.

D) Most women no longer experience contractions of the orgasmic platform.

Which of the following influences the duration of the resolution phase in a male? A) the method of sexual stimulation B) the time of day C) the length of arousal prior to orgasm D) the frequency of previous sexual activity

D) the frequency of previous sexual activity

Which of the following most accurately describes the plateau phase?

Physiological reactions become more pronounced.