Lifetime prevalence of generalized anxiety disorder is:
a) 2-8%
b) 4-7%
c) 3-10%
d) 0)5%-3%
b
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What is the most widely used psychoactive drug?
a. alcohol b. nicotine c. caffeine d. marijuana e. mescaline
When asked whether it is important for some sensory damage (e.g., congenital cataract) in an infant be treated early, a competent physician would say,
a. "If you hope to achieve the best results, absolutely!" b. "You can delay the procedure, but only until age two.". c. "The earlier you intervene, the more likely the procedure will actually increase the long-term damage.". d. "There is no relationship between the timing of intervention and the long-term implications.".
According to research cited in your textbook, four-year-old children who can delay gratification tend to:
A. strive for higher achievement B. get better grades C. select less preferred rewards D. become easily frustrated
After the peak of an action potential, what prevents sodium ions from continuing to enter the cell?
A. There is no longer a concentration gradient for sodium. B. The sodium-potassium pump greatly increases its rate of activity. C. All the available sodium ions have already entered the cell. D. The sodium gates in the membrane close.