Question

Which of the following correctly lists the sequence of structures that a cardiac action potential follows...

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?

Group of answer choices

Bundle of His, Purkinje fibers, Atrioventricular (AV) node

Sinoatrial (SA) node, Purkinje fibers, AV node, Bundle of His

Purkinje fibers, AV node, SA node, Bundle of His

SA node, AV node, Bundle of His, Purkinje fibers

Bundle of His, SA node, AV node, Purkinje fibers

Science   Anatomy-And-Physiology   
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Answer #1

Answer:sino atrial node, atrioventricular node, bundle of his, Purkinje fibers.

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