The direct mechanism of action of nicotine on arousal levels is:
A) stimulation of dopamine receptors.
B) blockade of dopamine receptors.
C) stimulation of acetylcholine receptors.
D) blockade of acetylcholine receptors.

Question

Quizplus · Accepted Answer

Nicotine stimulates acetylcholine receptors in the brain, leading to an increase in arousal levels. This is because acetylcholine is involved in regulating many aspects of the central nervous system, including attention, learning, and memory.

The Direct Mechanism of Action of Nicotine on Arousal Levels