2025/2026 UPDATE | VERIFIED 100% CORRECT.
Which of the following is true for men and women ages 20-24 in any given 12
month period?
A. men have twice as many sex partners as women
B. Most have only a few sex partners
C. most are abstinent than sexually active
D. women have twice as many sex partners as men Answer - B. most have only
a few sex partners
What does in vitro fertilization involve? Answer - placing a dozen or more
harvested ova into a petri dish with many sperm
Which periodic abstinence method is best for a women with a regular cycle
wanting to minimize tracking time? Answer - standard days method
how does ideal duration of foreplay differ between men and women? Answer -
men and women prefer about the same duration
What percent of pregnancies in the US are unintended? what percent of these
are terminated by abortion? Answer - 45%; 42%
, based on the grandmother hypothesis, how do modern grandchildren compare
to premodern grandchildren? Answer - they benefit less from having
grandmothers than premodern grandkids
how common is cheating in monogamous relationships? Answer - most people
in committed relationships do not commit infidelity
what is the most likely reason for decreasing divorce rates in America? Answer
- the marriage rate among economically disadvantaged young people has fallen
which physiological change in sexual response is common among older men?
Answer - decreased ejaculatory volume
how does artificial insemination increase the likelihood of conception? Answer
- sperm count is increased by collecting and combining sperm
why do adolescents engage in serial monogamy? Answer - to experiment with
their sexuality
During anal sex, the penis passes the anal orifice and enters the ___, or the
lowermost portion of the intestinal tract. Answer - rectum
which statement accurately describes masturbation techniques?
A. women usually masturbate by insetting fingers or an object into the vagina
B. women usually masturbate by stimulating the clitoris
C. men use more varied masturbation techniques than women
D. all men and women require genital stimulation to orgasm Answer - A.
women usually masturbate by stimulating the clitoris