What is the correct sequential path of a normal action potential in the heart?

a. SA node, AV node, bundle branches, AV bundle, Purkinje fibers
b. SA node, AV node, bundle of His, bundle branches, Purkinje fibers
c. SA node, AV bundle, AV node, Purkinje fibers
d. AV node, SA node, AV bundle, bundle of His


Answer: b. SA node, AV node, bundle of His, bundle branches, Purkinje fibers

Anatomy & Physiology

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