Research has shown that men in their 20s who have more than five ejaculations per week _________
a. experience difficulty in falling asleep at night
b. increase their risk of heart disease
c. have lower rates of prostate cancer in later life
d. will develop problems with high blood pressure
Answer: C
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The "____" is the most commonly used sexual position in the United States
a. military position c. side by side position b. missionary position d. top on top position
Amy is in a committed heterosexual relationship. She would like to have children some day, but currently she would like to reduce the risk of pregnancy. What would be the most effective form of contraception for Amy, and why?
What will be an ideal response?
The years of the early 20s to mid-30s are called ________.
A. early adulthood B. adulthood C. young adulthood D. middle age E. midlife
Which of the following functions does the placenta perform?
A. It produces large quantities of estrogen and progesterone. B. It halts the production of human chorionic gonadotropin. C. It acts as a barrier against all sexually transmitted diseases (STDs). D. It helps sperm fertilize eggs by dissolving the zona pellucida.