Nationally Registered Certified Medical Assistant (NRCMA) (NAHP) Practice Exam

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Study for the Nationally Registered Certified Medical Assistant Exam. Prepare with interactive quizzes and multiple-choice questions that come with helpful hints and explanations. Get ready to earn your certification with confidence!

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Atriomegaly refers to?

Shrinkage of the atrium
Enlargement of the atrium to the heart
Inflammation of the atrium
Hardening of the atrium walls

The correct answer is: Enlargement of the atrium to the heart

Atriomegaly refers to an enlargement of the atrium, the upper chamber of the heart. This is usually caused by an underlying condition, such as high blood pressure or heart disease. Option A is incorrect because a shrinkage of the atrium is not a known medical term. Option C is incorrect because inflammation of the atrium is known as atrial inflammation, not atriomegaly. Option D is incorrect because hardening of the atrium walls is known as atrial calcification, not atriomegaly. Atrio and megaly both come from Greek roots meaning "atrium" and "enlargement," respectively, which is why option B is the correct answer.