How does nicotine act in the brain?
A) By increasing serotonin reuptake
B) By enhancing GABA's inhibitory effects
C) By reducing blood flow to the cerebral cortex
D) By first stimulating and then blocking cholinergic receptors

Question

Quizplus · Accepted Answer

Nicotine acts in the brain by first stimulating and then blocking cholinergic receptors, which are receptors that respond to the neurotransmitter acetylcholine. This action is responsible for both the stimulating and addictive properties of nicotine.

How Does Nicotine Act in the Brain