Clinical Medical Assistant Exam Practice Question
What are the appropriate sites for a medical assistant to place the electrodes when preparing a patient for 24-hour heart monitoring with a Holter monitor?
Correct Answer: A
Rationale: When preparing a patient for 24-hour heart monitoring with a Holter monitor, placing electrodes on the patient's chest is essential for accurate heart rhythm recording. The chest provides direct access to the heart's electrical activity, ensuring optimal signal quality.
Options B and C are inappropriate as they do not provide reliable access to the heart's electrical signals. Forehead and chin placements are not standard for cardiac monitoring, while back and abdomen placements can obscure the heart's activity.
Option D, involving arms and legs, may capture peripheral signals but lacks the precision needed for comprehensive cardiac assessment. Thus, chest placement is the most effective and standard approach.
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