Both bupropion and varenicline impact the central nervous system (CNS) in the treatment of smoking cessation. However, varenicline differs from bupropion in that it:

A. blocks nicotine receptors in the brain.
B. reduces the CNS effects of nicotine withdrawal.
C. stimulates nicotine receptors in the brain.
D. reduces the CNS effects of nicotine toxicity.


Answer: A

Nursing

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