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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