The pacemaker that fires at 20 to 40 beats per minute is:
A) the SA node.
B) the bundle of His.
C) the AV node.
D) Purkinje's network.

Name: The pacemaker that fires at 20 to 40 beats per minute is: A) the SA node. B) the bundle of His. C) the AV node. D) Purkinje's network.
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Question

Quizplus · Accepted Answer

Purkinje's network is responsible for the final part of the electrical conduction system of the heart and can fire at a rate of 20 to 40 beats per minute if higher pacemakers fail.

The Pacemaker That Fires at 20 to 40 Beats Per