NAPLEX Quiz
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FOUNDATIONAL KNOWLEDGE FOR PHARMACY PRACTICE
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A 78-year-old male (weight 72 kg) is admitted for aspiration pneumonia and is now receiving continuous enteral nutrition via nasogastric tube due to dysphagia after stroke. Current medications include phenytoin extended-release capsules 300 mg orally once daily, metoprolol tartrate immediate-release tablets 50 mg orally twice daily, and omeprazole delayed-release capsules 20 mg orally once daily; labs: SCr 1.0 mg/dL (0.6–1.3), AST 28 U/L (10–40), ALT 25 U/L (7–56), Na 138 mEq/L (135–145), K 4.1 mEq/L (3.5–5.0). The team requests a formulation change to provide phenytoin through the feeding tube with minimal risk of altered exposure while tube feeds continue. Which formulation is most appropriate for this patient?
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