What percentage of adolescent girls ages 15-17 have engaged in oral sex?
A) Less than 1%
B) About 10%
C) Around 40%
D) A little over 70%
C
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Which best describes the "paternal investment theory" of puberty?
a. Moms have the greatest impact on the timing of early puberty, and having a highly involved mom appears to delay its onset. b. Moms have the greatest impact on the timing of early puberty, and having a highly involved mom appears to accelerate its onset. c. Dads have the greatest impact on the timing of early puberty, and having a highly involved dad appears to delay its onset. d. Dads have the greatest impact on the timing of early puberty, and having a highly involved dad appears to accelerate its onset.
When a drug of abuse such as heroin is injected, the entire setting (the drug paraphernalia, the room, the lighting, etc.) can become a _____ and elicit responses _____ the drug.
A) US; similar to B) US; that counteract C) CS; similar to D) CS; that counteract
Which of the following is NOT characteristic of an organized serial murderer?
A. A plan B. Gaining control by manipulation or threat C. Use of a car or truck D. Keeping the body
In animal studies, what happens when researchers inject drugs that prevent neurogenesis? a. The animals become manic
b. Antidepressants lose their effectiveness. c. Antidepressants become much more effective. d. The animals show no observable changes, other than becoming very slow learners.