Some people justify their smoking habit by saying that smoking calms them down. Is this justification correct physiologically?
A) Yes, because like caffeine, nicotine decreases heart rate.
B) Yes, because nicotine acts very much like norepinephrine.
C) No, because nicotine has a stimulatory effect on heart rate.
D) No, because nicotine acts very much like acetylcholine.
E) No, because smoking has no physiological effect in general.
Correct Answer:
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