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Q:
A) atrial depolarization | B) Ventricular repolarization |
C) atrial repolarization | D) Ventricular depolarization |
Answer: A) atrial depolarization
Explanation:
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.