Which of the Following Structures Is Poorly Innervated by the Parasympathetic

question 29

Multiple Choice

Which of the following structures is poorly innervated by the parasympathetic nervous system and, therefore, an increase in parasympathetic activity has little effect on this structure?

• A)Purkinje fibers
• B)sinoatrial node
• C)ventricles
• D)atrioventricular node
• E)conduction pathway

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