The positive effects of heroin ______.
A) are immediate
B) take several minutes to develop
C) vary greatly from user to user
D) take several hours to develop
Correct Answer:
Verified
Q131: The major medical application for opioids is
Q132: Opioids are classified as _.
A) narcotics
B) mild
Q133: An amphetamine which is smoked in a
Q134: Heroin produces a powerful rush that lasts
Q135: Psychoactive substances that increase nervous system activity
Q137: Endorphins function chiefly to _.
A) increase metabolic
Q138: After a few days following the last
Q139: Natural substances that function as neurotransmitters in
Q140: Heroin is a _.
A) stimulant
B) hallucinogen
C) depressant
D)
Q141: Which of the following is true of
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