Which of the following refers to the relaxation of the ventricles?

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Multiple Choice

Which of the following refers to the relaxation of the ventricles?

Explanation:
The relaxation of the ventricles is shown by the T wave. It reflects ventricular repolarization, the process by which the ventricular muscle returns to its resting electrical state and begins to relax to allow filling during diastole. The P wave marks atrial depolarization (atrial contraction), and the QRS complex represents ventricular depolarization (contraction). The U wave, when present, is an extra, less consistent deflection after the T wave and is not the primary indicator of ventricular relaxation.

The relaxation of the ventricles is shown by the T wave. It reflects ventricular repolarization, the process by which the ventricular muscle returns to its resting electrical state and begins to relax to allow filling during diastole. The P wave marks atrial depolarization (atrial contraction), and the QRS complex represents ventricular depolarization (contraction). The U wave, when present, is an extra, less consistent deflection after the T wave and is not the primary indicator of ventricular relaxation.

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