Absolute refractory period in the ventricles

A Corresponds to the period of ventricular depolarization.
B Corresponds to the period of ventricular contraction.
C Is the period when the ventricles are completely unexcitable.
D Is shorter than the corresponding atrial muscle.
E Decrease during stimulation of the vagus nerve to the heart.

Correct Answer: Corresponds to the period of ventricular depolarization., Corresponds to the period of ventricular contraction., Is the period when the ventricles are completely unexcitable.

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