Which statement about the human immunodeficiency virus (HIV) is true?
A. There are currently no effective drug therapies to reduce the chance of prenatal virus transmission.
B. In developing countries, more than half of all new HIV infections affect women.
C. About 30 percent of new HIV infections occur in developing countries.
D. Untreated HIV-infected expectant mothers pass the virus to their fetus approximately 30 percent of the time.
Answer: B
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An ongoing pattern of life that is passed from one generation to the next is called
a. conformity. b. standard norms. c. group cohesion. d. culture.
Which of the following is NOT one of the reasons cited in the book for the continuing decrease in the divorce rate?
a. The number of abusive relationships is decreasing. b. People are realizing that divorce often creates a whole new set of problems. c. People are waiting longer to get married. d. People are realizing that divorce rarely solves the problem that it was intended to solve.
A criticism of career and technical education programs is that students
A) are much less likely to graduate from high school. B) have a more difficult time finding jobs after graduation. C) are more likely to be unemployed shortly after graduation. D) may be forced to make major career decisions very early in life and may make choices that are not optimal or just plain wrong.
According to Piaget, in accommodation, children
A) build schemes through direct interaction with the environment. B) create new schemes or adjust old ones. C) use current schemes to interpret the external world. D) rearrange schemes, linking them with other schemes.