Certified Medication Aide 2025 – 400 Free Practice Questions to Pass the Exam

The part of the body indicated by the acronym "OS" in medication administration is the left eye. In medical terminology, "OS" stands for "oculus sinister," which is Latin for "left eye." This abbreviation is used to specify that medication should be administered in the left eye. It is important for medication aides to be familiar with these abbreviations to ensure accurate and safe administration of medications to patients.

Options B, C, and D are incorrect because:

- "Hour(s)" is typically abbreviated as "h" or "hr" in medication administration.

- "Right eye" is indicated by the acronym "OD" (oculus dexter) in medication administration.

- "Microgram" is typically abbreviated as "mcg" in medication administration.