Which statement about the human immunodeficiency virus (HIV) is true?
A) About 30 percent of all new HIV infections affect women.
B) In South Africa, 30 percent of all pregnant women are HIV-positive.
C) About 30 percent of new HIV infections occur in developing countries.
D) Untreated HIV-infected mothers pass the virus to the fetus 30 percent of the time.
Answer: B
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Which of the following popularized the pseudopsychology known as phrenology?
a. Wilhelm Wundt b. Max Wertheimer c. Franz Gall d. Edward Titchener
As long as loneliness is not overwhelming, it
A) promotes defensive responses that lead to further isolation. B) is associated with self-promoting attitudes and behaviors. C) can motivate young people to take on more adultlike responsibilities. D) can encourage young people to reach out to others.
Reflex circuits:
A. typically involve thousands of neurons. B. typically involve two neurons. C. typically involve dozens of neurons. D. always involve the brain.
Which of the following was NOT cited in your text as a disruptive effect of severe stress on cognitive functioning?
A) ?Inability to integrate new information. B) ?Reduced working memory efficiency. C) ?Decrease in cortisol production. D) ?Poorly organized view of options.