What is a major disadvantage of oral contraceptives?
a. They may increase the pain of menstruation.
b. They can lead to anemia.
c. They do not protect against sexually transmitted infections.
d. They may aggravate symptoms associated with pelvic inflammatory disease.
ANS: C
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The penile or vaginal plethysmograph measure sexual arousal by indirectly measuring changes in ____
a. mucous secretion c. blood flow b. perspiration d. muscle contractions
Sternberg has found that the best predictor of satisfaction within a relationship is
A. the match between the number of reinforcements and punishments between partners. B. the match between the partners on all of the components of love. C. the match between partners' levels of passion. D. the match between partners' intimacy relative to the match between partners' commitments.
________ refers to the sac in which the fetus develops.
A. Chorion B. Umbilical cord C. Zona pellucida D. Amnion E. Placenta
Which of the following hormones is a gonadotropin?
A. Insulin B. DHEA C. Testosterone D. Follicle-stimulating hormone E. Thyroxine