Certification in Risk Management Assurance (CRMA) Practice Exam 2025 - Free CRMA Practice Questions and Study Guide

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What instruction does 'npo' signify for patients?

Nothing by mouth

Nil per os

The term 'npo' indicates that a patient should not consume any food or drink, essentially meaning "nothing by mouth." This instruction is essential in various medical situations, particularly before surgeries, diagnostic tests, or procedures, as consuming food or fluids can pose risks such as aspiration or complicating anesthesia.

While "Nil per os" directly translates to "nothing by mouth" and is essentially synonymous with 'npo,' the phrasing 'nothing by mouth' is more common in everyday medical communication, making it the preferable and clearer choice in this context. The other options, such as 'nothing through tube' or 'necessary precautions only,' do not accurately capture the meaning of 'npo' and would not be used in medical instructions regarding food and fluid intake.

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Nothing through tube

Necessary precautions only

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