Adnan is beginning to make love with his partner. According to Masters and Johnson, what will be the first sign that Adnan is in the excitement phase?
a. scrotal skin is tight
b. contraction of anus
c. erection of the penis
d. ejaculation
Answer: C
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Herpes is spread by ____ contact with an infected person
a. skin-to-skin c. air born b. blood-to-blood d. mucousal
Which of the following represents a true distinction between cross-sectional and longitudinal designs?
a) Cross-sectional designs can be used to compare differences across cohorts, while longitudinal designs can be used to compare differences within cohorts. b) Cross-sectional designs are sensitive to changes in methodology, while longitudinal designs are relatively impervious to changes in methodology. c) Cross-sectional designs study the same individuals multiple times, while longitudinal designs study different individuals each time. d) Cross-sectional designs are prone to practice effects, while longitudinal designs are not subject to practice effects.
Sex laws seek to ensure that children have a supportive family. According to the text, this leads to the prohibition of conduct such as _____.
A. fornication B. exhibitionism C. divorce D. voyeurism
In sexually approving cultures, young people tend to learn about sexuality by observation, and then exploration.
Answer the following statement true (T) or false (F)