Which of the Following Correctly Lists the Sequence of Structures

question 80

Multiple Choice

Which of the following correctly lists the sequence of structures that a cardiac action potential follows in order to excite normal contraction of the heart?

• A)Bundle of His,Purkinje fibers,Atrioventricular (AV)node
• B)Sinoatrial (SA)node,Purkinje fibers,AV node,Bundle of His
• C)Purkinje fibers,AV node,SA node,Bundle of His
• D)SA node,AV node,Bundle of His,Purkinje fibers
• E)Bundle of His,SA node,AV node,Purkinje fibers

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