What Is the Correct Order That the Electrical Impulse Follows

Multiple Choice

What is the correct order that the electrical impulse follows through the conduction system of the heart?

A) AV node, bundle branches, Bundle of His, SA node, Purkinje fibers
B) SA node, Bundle of His, AV node, Purkinje fibers, bundle branches
C) AV node, SA node, bundle branches, Purkinje fibers, Bundle of His
D) Purkinje fibers, AV node, SA node, Purkinje fibers, Bundle of His
E) SA node, AV node, Bundle of His, bundle branches, Purkinje fibers