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Western Maricopa Education Center (West-MEC) Medical Assisting ADE Practice Exam

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Which structure receives electrical impulses from the bundle of His?
Correct Answer:
Bundle branches
Explanation:
The impulse travels from the AV node into the bundle of His, which then splits into the right and left bundle branches. Those bundle branches receive the impulse from the bundle of His and carry it down the interventricular septum to the Purkinje fibers, which distribute the signal to the ventricular muscle for coordinated contraction. Terms like artifact, baseline, and amplifier relate to ECG measurement or equipment, not to cardiac conduction pathways, so they don’t describe structures that carry the impulse.

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