In sequential order, the components of the intrinsic conduction system, beginning at the SA node, are ________
A) AV bundle, AV node, subendocardial conducting network (Purkinje fibers), bundle branches
B) AV node, AV bundle, bundle branches, subendocardial conducting network (Purkinje fibers)
C) bundle branches, AV node, AV bundle, subendocardial conducting network (Purkinje fibers)
D) subendocardial conducting network (Purkinje fibers), bundle branches, AV bundle, AV node
Answer: B
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