Which waveform represents ventricular repolarization?

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Prepare for the Ivy Tech Anatomy and Physiology II (APHY 102) Heart Test with multiple-choice questions, detailed explanations, and study resources. Enhance your understanding and excel in your exam!

Multiple Choice

Which waveform represents ventricular repolarization?

Explanation:
Ventricular repolarization is the process of the ventricles restoring their resting electrical state after contracting. On the ECG, this recovery appears as the T wave. The QRS complex shows ventricular depolarization (the electrical event that triggers contraction), the P wave is atrial depolarization, and a small U wave—when present—is not the primary marker of ventricular repolarization. The QT interval spans from the start of ventricular depolarization to the end of repolarization. So the waveform that represents ventricular repolarization is the T wave.

Ventricular repolarization is the process of the ventricles restoring their resting electrical state after contracting. On the ECG, this recovery appears as the T wave. The QRS complex shows ventricular depolarization (the electrical event that triggers contraction), the P wave is atrial depolarization, and a small U wave—when present—is not the primary marker of ventricular repolarization. The QT interval spans from the start of ventricular depolarization to the end of repolarization. So the waveform that represents ventricular repolarization is the T wave.

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