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What Activity Is Occurring in the Heart During the Q

Question 115

Multiple Choice

What activity is occurring in the heart during the Q -T interval on an electrocardiogram (ECG) ?


A) The AV node delay occurs as the action potential spreads from the SA node to the atria to the ventricles.
B) The ventricular cells are undergoing action potentials.
C) The ventricular cells are repolarizing.
D) The atrial cells are undergoing action potentials.

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