Which Is the Normal Sequence of the Spread of Cardiac

question 142

Multiple Choice

Which is the normal sequence of the spread of cardiac excitation?
1. AV node
2. SA node
3. atria
4. Purkinje fibers
5. bundle of His
6. ventricular myocardium

• A) 2¾3¾1¾5¾4¾6
• B) 3¾2¾1¾4¾5¾6
• C) 2¾3¾1¾4¾5¾6
• D) 1¾2¾3¾4¾5¾6
• E) none of these

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