Sawaal
1
Q:

The p wave of a normal Electrocardiogram indicates

A) atrial depolarization B) Ventricular repolarization
C) atrial repolarization D) Ventricular depolarization

Answer:   A) atrial depolarization



Explanation:

The P wave in the ECG represents atrial depolarization, which results in atrial contraction, or atrial systole.

The P wave is a summation wave generated by the depolarization front as it transits the atria.

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