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What Is the Importance of the Delay in the Action

Question 147

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What is the importance of the delay in the action potential in the AV node?


A) It allows the action potential to reach both ventricles at the same time.
B) It allows an action potential to reach the left atrium so both atria contract together.
C) It allows an action potential to reach the left atrium so both atria contract together, before the ventricles contract.
D) It allows time for the atria to fill with blood.

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