Each year, almost ____________ U.S. teenage girls become pregnant

A venereal disease is another name for a(n)

a. endogenous infection. b. exogenous infection. c. psychosomatic illness. d. sexually transmitted disease.

A survey found that in a certain population, 30 percent reported a new diagnosis of clinical depression over a period of six months. This estimate is referring to the _____ of the disorder

A) incidence B) point prevalence C) lifetime prevalence D) lifetime incidence