A patient who wants to quit smoking has a prescription for varenicline (Chantix), which will be used with a nicotine patch. The patient asks the nurse why the varenicline is necessary. Which statement by the nurse is correct?
a. "It helps patients experiencing withdrawal to sleep better."
b. "It helps reduce anxiety and other withdrawal symptoms."
c. "It will help reduce the likelihood of addiction to the patch."
d. "The drug blocks nicotine's access to ‘pleasure' receptors."
ANS: D
Varenicline is a partial agonist at nicotinic receptors and helps block nicotine's access to these receptors. A common side effect is sleep disturbances. Buspirone is a smoking cessation agent that acts to reduce withdrawal side effects. Varenicline is not used to reduce addiction to the patch.
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