Which of the following sequences for the conducting system is correct?
A) AV node, AV bundle, SA node, Purkinje fibers, bundle branches
B) Purkinje fibers, bundle branches, AV node, AV bundle, SA node
C) SA node, AV node, AV bundle, bundle branches, Purkinje fibers
D) SA node, AV bundle, AV node, bundle branches, Purkinje fibers
E) AV node, SA node, bundle branches, AV bundle, Purkinje fibers

Question

Quizplus · Accepted Answer

The correct sequence for the conducting system of the heart starts with the sinoatrial (SA) node, then moves to the atrioventricular (AV) node, followed by the AV bundle (bundle of His), then to the bundle branches, and finally to the Purkinje fibers. This pathway ensures the proper timing and coordination of heart muscle contractions.

Which of the Following Sequences for the Conducting System Is