NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What is the primary action of Uricosurics?

  1. Increase uric acid excretion

  2. Decrease blood pressure

  3. Block uric acid production

  4. Inhibit vitamin absorption

The correct answer is: Increase uric acid excretion

Uricosurics are a class of medications that work by increasing the excretion of uric acid through the kidneys. By increasing the excretion of uric acid, these medications help to lower the levels of uric acid in the blood, which can be beneficial in the treatment of conditions such as gout. Therefore, the primary action of uricosurics is to increase uric acid excretion. Option B is incorrect because uricosurics do not have a primary action of decreasing blood pressure. Option C is incorrect because uricosurics do not block uric acid production; instead, they work on increasing its excretion. Option D is incorrect because uricosurics do not inhibit vitamin absorption; they specifically target uric acid excretion.

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