Concordance rates among identical twins for bipolar disorder are commonly reported to be ____
a. ?as low as 25%
b. ?30% to 40%
c. ?60% to 70%
d. ?as high as 70%
ANSWER:
d
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What will be an ideal response?
After drinking several cups of strong coffee, a person develops "coffee nerves" or "jitters." This probably is due to the ability of caffeine to ______
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