If the Atrioventricular Node Could Be Surgically Removed from the Heart

question 55

Multiple Choice

If the atrioventricular node could be surgically removed from the heart without disrupting signal transmission to the Purkinje fibers, what would be the effect?

• A)No apparent effect on heart activity would be observed.
• B)The heart rate would be decreased.
• C)Only the ventricles would contract.
• D)Only the atria would contract.
• E)Atria and ventricles would contract at about the same time.

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Nipples

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Canadian Cancer Society

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