Which is the correct sequence of parts through which cardiac action potentials pass?
A) Purkinje fibers, AV node, SA node, bundle of His, atrial fibers
B) AV node, atrial fibers, SA node, bundle of His, Purkinje fibers
C) SA node, bundle of His, atrial fibers, AV node, Purkinje fibers
D) Purkinje fibers, bundle of His, AV node, atrial fibers, SA node
E) SA node, atrial fibers, AV node, bundle of His, Purkinje fibers

Question

Quizplus · Accepted Answer

The correct sequence of parts through which cardiac action potentials pass is the SA (sinoatrial) node, atrial fibers, AV (atrioventricular) node, bundle of His, and Purkinje fibers. So, option E, "SA node, atrial fibers, AV node, bundle of His, Purkinje fibers" is the correct choice.

Which Is the Correct Sequence of Parts Through Which Cardiac