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9. On an ECG reading of one cardiac cycle, the depolarization of the main mass of the ventricles is represented by the _______ wave.

A) Q
B) T
C) R
D) P

Respuesta :

I think the answer is p wave on the penn foster test

R waves correspond to depolarization of the main mass of the ventricles so it’s the largest wave (pg 358 in the third edition of Colville and Bassert Clinical Anatony and Physiology for Veterinary Technicians)

The answer is C) R

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