NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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Which antibiotic requires dilution in D5W only and administration via a central line?

  1. Quinupristin/Dalfopristin

  2. Metronidazole

  3. Tygecycline

  4. Polymyxins

The correct answer is: Quinupristin/Dalfopristin

Quinupristin/Dalfopristin is the correct answer because it is the only antibiotic out of the choices given that requires dilution in D5W only and administration via a central line. Metronidazole, Tygecycline, and Polymyxins can all be administered through other routes (such as oral or IV) and do not require dilution in D5W or administration via a central line.

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