The AV Node Has Several Important Functions That Help the Heart

question 3

Multiple Choice

The AV node has several important functions that help the heart work effectively. Which of the following is not a function of the AV node?

• A)It causes the delay of electrical impulses, which limits the number of impulses traveling to the ventricles.
• B)It allows for a delay to provide time for the blood to travel from the atria to the ventricles before they contract.
• C)It causes a loss of atrial kick.
• D)It serves as a backup pacemaker if the SA node fails.

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