If the Sinoatrial (SA)node Fails,then at What Rate (Depolarizations Per

question 8

Multiple Choice

If the sinoatrial (SA) node fails,then at what rate (depolarizations per minute) can the atrioventricular (AV) node depolarize?

• A) 60 to 70
• B) 40 to 60
• C) 30 to 40
• D) 10 to 20

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