NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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Which medication should be protected from light during administration?

  1. Amphotericin B (lipid formulations; 5 micron)

  2. Phytonadione

  3. Levetiracetam

  4. Valproate

The correct answer is: Phytonadione

Phytonadione is a light-sensitive medication, which means that it can easily lose its effectiveness when exposed to light. This is why it should be protected from light during administration. Options A, C, and D are incorrect because they are not light-sensitive medications. Amphotericin B (lipid formulations; 5 micron) may require special handling and storage but is not at risk of degradation from light. Levetiracetam and valproate do not have any specific storage or handling requirements related to light sensitivity.

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