Why Is the Electrical Impulse Temporarily Delayed at the Atrioventricular

question 1

Multiple Choice

Why is the electrical impulse temporarily delayed at the atrioventricular (AV) node?

• A) To allow complete emptying of the ventricles
• B) To allow more sodium buildup in the myocardial cells
• C) To allow better filling of the ventricles
• D) To allow complete filling of the atria

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