In a complete AV node block,
A)no signals pass into the ventricles.
B)the atria will be paced by the SA node.
C)the ventricles contract due to the Purkinje fiber pacemaker.
D)All of the choices are correct.

Question

Quizplus · Accepted Answer

In a complete AV node block, no signals from the atria pass into the ventricles, so the atria continue to be paced by the SA node, while the ventricles contract due to a backup pacemaker system, often involving the Purkinje fibers.

In a Complete AV Node Block