The ____ prenatal diagnostic technique is especially suitable and safe for detecting multiple pregnancies (twins, triplets, etc.)
a. amniocentesis
b. chorionic villus sampling
c. ultrasound imaging
d. pedigree analysis
C
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Secondary or acquired drives are best explained as what?
There have been profound changes in gender expectations across many cultures. These changes have largely occurred over the last how many years?
A. 25 B. 50 C. 75 D. 100
The person most closely associated with research on learned helplessness is __________
a) Thorndike. b) Wolpe. c) Seligman. d) Bandura.
Which of the following statements is true regarding the results of a survey about the Internet as a "sex educator"?
A) Media exposure to sexual content causes adolescents to engage in risky sexual activity. B) The Internet is the best source for accurate medical information about sexual activity. C) Youths who were involved in delinquent activities had more encounters with Internet pornography. D) Nearly 90 percent of 10- to 17-year-olds said they viewed online pornographic websites while surfing the Internet in the past 12 months.