It is bedtime as far as the brain is concerned, when levels of which of the following rise late in the evening?

a. melatonin
b. serotonin
c. acetylcholine
d. androgens

ANSWER: a

Psychology

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Because of the limited capacity of ________, it is unsafe to talk on a cell phone while driving on a freeway during rush-hour

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What are convergent and divergent thinking? What methods have been developed to assess

such thinking? What will be an ideal response?

Psychology