CNA Prometric Practice Exam 2026 – Complete Study Resource

The abbreviation "NPO" stands for "nothing by mouth," which is a medical instruction indicating that a patient should not consume food or drink orally. This directive is often given prior to surgeries, certain diagnostic tests, or procedures where the presence of food or liquid in the stomach could complicate the process or pose a risk to the patient. It is important for healthcare providers to adhere to this guideline to ensure the safety and well-being of patients during medical interventions.

In the context of healthcare, the other options do not accurately represent the definition of "NPO." While "nutrition provided orally" and "need patient observation" pertain to different medical considerations, they do not reflect the specific restriction that "NPO" implies. Similarly, "nothing until further notice" lacks the immediate context related to oral intake, which is crucial in understanding the term's application. Understanding the precise meaning of such abbreviations is essential for effective communication in patient care and compliance with medical protocols.