The nerve supply of the vagina is
A. evenly distributed throughout its length.
B. concentrated in the upper one-third around the cervix.
C. mostly to the lower one-third, near the introitus.
D. scant, if not nonexistent.
Answer: C
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Which of the following is a possible cause for premature ejaculation?
a. reduced physical sensitivity to sexual stimulation b. shorter periods of abstinence between sexual encounters c. lower levels of testosterone d. faster-acting pelvic reflexes and genital muscles that control orgasm
Masturbation was once thought to lead to ____
a. herpes c. heart failure b. cancer d. epilepsy
A researcher is interested in gathering detailed accounts about how many hours per day their participants spend with friends or family members. Which of the following methods would be the most useful for their data collection?
A. time diary methods B. Internet surveys C. mailed questionnaires D. personal interviews
Which of the following is true of the "never married" group?
A. It excludes homosexual people who cannot marry because of the law. B. It consists of priests, nuns, and people who remain single because they have taken a vow of celibacy. C. It consists solely of individuals who have chosen to remain single for life. D. It includes individuals who intend to marry some day in the future and those who have decided to remain single.