The Direction of the Impulse Through the Conduction System of the Heart

question 232

Multiple Choice

The direction of the impulse through the conduction system of the heart for each cardiac cycle is normally

• A) AV node-SA node-bundle of His-Purkinje fibers.
• B) AV node-bundle of His-SA node-Purkinje fibers.
• C) bundle of His-AV node-Purkinje fibers-SA node.
• D) SA node-AV node-bundle of His-Purkinje fibers.
• E) SA node-bundle of His-Purkinje fibers-AV node.

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