The biological basis of nicotine addiction is that nicotine binds
A) the part of the nicotinic receptor that otherwise binds the neurotransmitter acetylcholine. Binding releases dopamine, which causes the pleasurable feelings.
B) postsynaptic receptors that normally bind endorphins.
C) the dopaminergic receptor, releasing acetylcholine, which causes the pleasurable feelings.
D) and disables nicotinic receptors, so that neurotransmission is too fast.
E) the pleasure center in the brain.

Question

Quizplus · Accepted Answer

Nicotine binds to the part of the nicotinic receptor that normally binds the neurotransmitter acetylcholine. This binding releases dopamine, which causes pleasurable feelings and reinforces the behavior of smoking, leading to addiction.

The Biological Basis of Nicotine Addiction Is That Nicotine Binds