During which prenatal period is the developing organism most susceptible teratogens?

During the ________ phase of the human sexual response cycle, the penis becomes erect and the clitoris swells

a. excitement b. plateau c. orgasm d. resolution

Recent surveys of the sexual attitudes and practices of individuals reveal that

a. the norms for sexual behavior have changed over the last several decades. b. older adults are less likely to remain with one partner than younger adults. c. younger adults are more conservative about their sexual behavior. d. the more conservative the attitude about sexual behavior, the greater the likelihood of sexual deviance.