ATI TEAS (Test of Essential Academic Skills) Version 7English and Language UsageEasy
A nursing student is reviewing a patient's chart and sees the abbreviation 'NPO' in the physician's orders. Which of the following instructions should the nursing student understand this abbreviation to mean?
- ANothing by mouth
- BNo known allergies
- CAdminister medication orally
- DAs needed
Show answer & explanationAnswer & explanation
Correct answer: A. Nothing by mouth
The abbreviation 'NPO' is derived from the Latin 'nil per os', which translates to 'nothing by mouth'. This instruction is crucial in healthcare settings, especially before surgeries or certain diagnostic tests.
Why the other options are wrong
- B. This is typically abbreviated as 'NKA' or 'NKDA' (no known drug allergies).
- C. This would be indicated by 'PO' (per os) or specific medication administration instructions.
- D. This is typically abbreviated as 'PRN' (pro re nata).
Medical Abbreviation: NPO
A common medical abbreviation derived from Latin, instructing that a patient should not consume anything orally.
- Stands for 'nil per os' (Latin)
- Means 'nothing by mouth'
- Used before surgery, certain tests, or specific medical conditions
- Includes food, drink, and sometimes oral medications
Memory trick: Many medical letters, learn their meanings for patient safety.