What Is the Normal Direction of the Impulse Through the Conduction

Multiple Choice

What is the normal direction of the impulse through the conduction system of the heart for each cardiac cycle?

A) AV node, SA node, bundle of His, Purkinje fibres
B) AV node, bundle of His, SA node, Purkinje fibres
C) bundle of His, AV node, Purkinje fibres, SA node
D) SA node, AV node, bundle of His, Purkinje fibres