Hayden used to become intoxicated after five drinks. Now he needs eight or nine to get the same effect. This is an example of __________.
A. a psychoactive substance abuse disorder
B. tolerance
C. withdrawal symptoms
D. an organic impairment
Answer: B
Psychology
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Serotonin is synthesized from ________ which is derived from ________.
A) tyrosine; cheese or milk B) glutamate; oat brain C) tyramine; Guinness beer D) tryptophan; ingested nutrients E) MAO; blood platelets
Psychology
Cocaine selectively blocks Na+ (sodium) channels, which is the mechanism that leads to
A. CNS stimulation. B. increased heart rate. C. local anesthetic effects. D. cocaine dependence.
Psychology