One of the major theories about how nicotine produces a pleasant effect in the human body is that it
A) deprives brain cells of oxygen.
B) attaches to receptor sites for glucose.
C) changes to a form of morphine when it hits the bloodstream.
D) stimulates the release of naturally occurring opiate-like chemicals from the endocrine system.

Question

Quizplus · Accepted Answer

Nicotine stimulates the release of neurotransmitters such as dopamine and endorphins, which are opiate-like chemicals, leading to pleasurable effects.

One of the Major Theories About How Nicotine Produces a Pleasant