Trace the Wave of Depolarization Through the Heart

question 21

Multiple Choice

Trace the wave of depolarization through the heart.

• A) SA node → atria → ventricles → AV node → bundle of His → Purkinje fibers
• B) AV node → atria → SA node → ventricles → Purkinje fibers → bundle of His
• C) AV node → atria → SA node → Purkinje fibers → bundle of His → ventricles
• D) SA node → atria → AV node → bundle of His → Purkinje fibers → ventricles

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