A chronic smoker attempts to quit using varenicline (Chantix). Which of the following best describes varenicline’s mechanism of action? Answers: A-D A It acts as a full agonist at nicotinic receptors, replacing nicotine’s effects B It partially stimulates nicotinic receptors while blocking nicotine’s reintorcing effects C It inhibits monoamine oxidase (MAO), preventing dopamine breakdown D It blocks dopamine receptors in the nucleus accumbens
[Expert Solution]: A chronic smoker attempts to quit using…
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