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

Question

Quizplus · Accepted Answer

The normal direction of the impulse through the conduction system of the heart for each cardiac cycle is SA node, AV node, bundle of His, Purkinje fibres. This is because the impulse originates in the SA node, travels to the AV node, then to the bundle of His and finally to the Purkinje fibres, which results in the contraction of the ventricles.

What Is the Normal Direction of the Impulse Through the Conduction