What does the abbreviation "AS" stand for?

The abbreviation "AS" stands for "left ear." This abbreviation is derived from the Latin term "auris sinistra." In medical terminology, abbreviations are commonly used to convey information succinctly, and in this case, "AS" is specifically used to refer to the left ear in various contexts, such as audiology assessments or when prescribing medications that might be administered in or around the ear. Understanding these abbreviations is crucial for healthcare professionals to ensure accurate communication regarding patient care.

In contrast, other options relate to different parts or sides of the body and represent distinct medical abbreviations. For instance, the abbreviation for "both eyes" is usually represented as "OU," while "OD" signifies the right eye, and "AD" indicates the right ear. Thus, the clarification of "AS" as meaning "left ear" helps reinforce the importance of precise medical language.