NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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Ace your North American Pharmacist Licensure Examination (NAPLEX) with our comprehensive practice test. Features include interactive flashcards, multiple-choice questions, with detailed hints and explanations. Fast-track your pharmacy career today!

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What is the main action of PAMORAS on opioid-induced constipation?

Increase bulk formation
Stimulate peristalsis
Block opioid receptors in the gut
Reduce intestinal fluid absorption

The correct answer is: Block opioid receptors in the gut

PAMORAS is a medication used to treat opioid-induced constipation. This means that the main action of PAMORAS is to address constipation caused by the use of opioids. Option A and B are incorrect because they both refer to actions that aim to alleviate constipation in general rather than specifically addressing opioid-induced constipation. Option D is incorrect because it suggests reducing intestinal fluid absorption would address opioid-induced constipation, which is not the case. The correct answer, Option C, refers to blocking opioid receptors in the gut, which is the main mechanism of action of PAMORAS in addressing constipation caused by opioids. By doing so, PAMORAS can help alleviate constipation and improve bowel movements for individuals who use opioids.