Under What Condition Will the AV Node Become the Pacemaker

question 92

Multiple Choice

Under what condition will the AV node become the pacemaker?

• A)When its rate of spontaneous depolarization exceeds that of the ventricular conduction cells
• B)As a normal response to sympathetic nerve discharge
• C)When its rate of spontaneous depolarization exceeds that of the SA node
• D)In the presence of normal sinus rhythm

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