American Academy of Professional Coders (AAPC) Practice Exam 2025 - Free AAPC Practice Questions and Exam Prep Guide

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What does the prefix "dextr/o" indicate?

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The prefix "dextr/o" signifies the concept of "right." This term originates from Latin, where "dexter" means right or on the right side. In medical terminology, it is often used to reference something situated to the right of the midline of the body or right-sided structures. For example, in terms such as "dextrorotation," it describes a rightward rotation. Understanding prefixes in medical terminology is crucial for interpreting various terms and accurately conveying information about the body's anatomy and functions.

The other prefixes listed relate to different directional indicators, such as "left" for "sinistr/o," "middle" for "medi/o," and "outside" for "ex/o," each with its distinct meaning that underscores the importance of distinguishing between these terms for clarity in communication.

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