Master Canadian Nursing Abbreviations Practice

The acronym AS typically refers to the left ear in medical terminology. Option A is incorrect because an afternoon siesta is commonly referred to as a nap or a rest period, not an acronym. Option B is incorrect because an ankle sprain is more commonly referred to as an "ankle sprain" or a "sprained ankle" than just "AS". Option D is incorrect because AS is not a commonly used acronym for an acoustic signal.