Master Canadian Nursing Abbreviations 2025 - Free Nursing Abbreviation Practice Questions and Study Guide

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What is the meaning of the abbreviation "NPO"?

Non-precautionary order

Nothing by mouth

The abbreviation "NPO" stands for "Nothing by mouth," which is a critical instruction often used in medical and nursing settings. This term indicates that a patient should not consume any food or fluids, including water, for a specified period. It is commonly used before surgical procedures, diagnostic tests, or when patients have certain medical conditions that require the digestive tract to be empty.

Understanding this abbreviation is essential for nurses and healthcare providers to ensure patient safety and proper care. For instance, if a patient is scheduled for surgery, adhering to the NPO instruction minimizes the risk of aspiration during anesthesia and ensures that the stomach is empty, which is vital for both the procedure's success and the patient's safety.

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Not prescribed orally

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