In Which Order Do Conduction Impulses Pass Through These Structures,causing

question 167

Multiple Choice

In which order do conduction impulses pass through these structures,causing the heart to contract?

• A) SA node,AV node,AV bundle,Purkinje fibers
• B) AV node,SA node,AV bundle,Purkinje fibers
• C) AV bundle,AV node,SA node,Purkinje fibers
• D) Purkinje fibers,SA node,AV node,AV bundle
• E) Purkinje fibers,AV node,SA node,AV bundle

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