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NAPLEX Flashcards: Pharmaceutics

Study Pharmaceutics in NAPLEX with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the definition of isotonicity for a pharmaceutical solution relative to blood/tears?

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ANSWER

Same osmotic pressure as blood/tears; no net water movement. Ensures osmotic equilibrium with physiological fluids, preventing cellular dehydration or swelling upon administration.

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NAPLEX: Foundational Knowledge For Pharmacy Practice

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What this deck covers

This deck focuses on Pharmaceutics, giving you a quick way to review the definitions, rules, and examples that matter most for NAPLEX.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 34Practice questions for this set
A 60-year-old male (weight 82 kg) with GERD reports persistent symptoms despite taking omeprazole delayed-release capsules 20 mg by mouth daily; he also takes calcium carbonate chewable tablets as needed and metformin immediate-release tablets 500 mg twice daily. He recently started taking omeprazole by opening the capsule and sprinkling contents into hot coffee to "help it dissolve." Labs: SCr 1.0 mg/dL (0.6–1.3), AST 26 U/L (10–40), ALT 24 U/L (7–56), Na 138 mEq/L (135–145), K 4.2 mEq/L (3.5–5.0). The pharmacist suspects reduced exposure due to improper dosage-form handling. Which factor most affects this drug's bioavailability?
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