Although other neurotransmitters are present, the brain's
reward or "pleasure" system has a predominance of
which neurotransmitter?
a. norepinephrine
b. acetylcholine
c. histamine
d. dopamine
ANSWER: d
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What is the risk associated with creative action?
a. The action is new. b. The action may fail. c. The action opens doors to new possibilities. d. The action contributes to a new sense of meaning.
People with borderline personality disorder tend to become gradually less symptomatic after age
a. 20. b. 30. c. 40. d. 50.
Maria has contracted syphilis, which is a(n) ____ infection
a. ?parasitic b. ?viral c. ?bacterial d. ?fungal
Shyness
a. seems to be decreasing in the population. b. cannot be learned. c. is not defined as a disorder by the DSM-5. d. is discouraged by Internet usage. e. is experienced by about one-tenth of the American population.