Medication Math (Med Math) Practice Exam 2025 - Free Medication Math Practice Questions and Study Guide

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How often should medication be taken if it is prescribed as 'q4h'?

Every 2 hours

Every 4 hours

When a medication is prescribed as 'q4h', it means that the medication should be taken every 4 hours. The term 'q' stands for "quaque," which is a Latin term meaning "every." The '4h' denotes the frequency interval of 4 hours. Therefore, after the initial dose, the next dose should be taken precisely 4 hours later, and this pattern continues for each subsequent dose. Understanding this terminology is crucial for administering medications accurately and ensuring effective treatment outcomes.

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Every 6 hours

Every 12 hours

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