What does the abbreviation 'a.d.' designate?

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Multiple Choice

What does the abbreviation 'a.d.' designate?

Explanation:
Right ear. In medical shorthand, a.d. comes from Latin auris dextra, meaning the right ear. This designation is used on prescriptions or notes to specify which ear should receive treatment or attention, helping avoid confusion with other sites like the eyes (oculus dexter) or the left ear (auris sinistra) or both ears (auris utraque). So when you see a.d., it tells you to apply or attend to the right ear.

Right ear. In medical shorthand, a.d. comes from Latin auris dextra, meaning the right ear. This designation is used on prescriptions or notes to specify which ear should receive treatment or attention, helping avoid confusion with other sites like the eyes (oculus dexter) or the left ear (auris sinistra) or both ears (auris utraque). So when you see a.d., it tells you to apply or attend to the right ear.

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