Derek and Earl are interested in having anal sex. What should they know about anal sex prior to engaging in this activity?
a. The anus and rectum produce an excessive amount of lubrication when aroused.
b. The likelihood of damage to the rectal walls is very high.
c. Use of a condom decreases all risks of transmission of STIs.
d. Penetration should occur quickly and deeply to prevent hemorrhoids.
Answer: B
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Abstinence-only sex education programs teach that _______
a. sex is not an important part of life b. engaging in sex at a young age can cause sexual problems in later life c. teenagers should wait until they are married to have sex and therefore don't need information about contraception or sexually transmitted infections d. it's easier for girls to avoid sex because they have stronger personalities than boys
A developing baby is called a(n) ________ from the eighth week of pregnancy until birth.
A. zygote B. fetus C. sperm D. ovum E. embryo
A sex researcher is interested in conducting a study on the sexual behavior of African-American individuals in polyamorous relationships and manages to contact 60 such individuals to participate in the study. In research terms, this group of participants is defined as the researcher's _____.
A. estimates B. sample C. cohorts D. population
Kaplan's triphasic model of sexual response adds the _____, which was missing in Masters and Johnson's model.
A. biological component, muscular contractions B. physiological component, vasocongestion C. cognitive component, sexual desire D. sensual component, orgasm