The T wave represents:

a. depolarization of the ventricles.
b. repolarization of the ventricles.
c. depolarization of the atria.
d. repolarization of the atria.

B
The T wave represents the repolarization of the ventricles. The QRS complex represents the depolarization of the ventricles. The P wave represents the depolarization of the atria. The repolarization of the atria cannot be seen.

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