Which Is the Correct Path of an Electrical Excitation from the Pacemaker

question 36

Multiple Choice

Which is the correct path of an electrical excitation from the pacemaker to a cardiocyte in the left ventricle (LV) ?

• A)Sinoatrial (SA) node \(\rarr\) atrioventricular (AV) bundle \(\rarr\) atrioventricular (AV) node \(\rarr\) Purkinje fibers \(\rarr\) cardiocyte in LV
• B)Atrioventricular (AV) node \(\rarr\) Purkinje fibers \(\rarr\) atrioventricular (AV) bundle \(\rarr\) sinoatrial (SA) node \(\rarr\) cardiocyte in LV
• C)Atrioventricular (AV) node \(\rarr\)sinoatrial (SA) node \(\rarr\) atrioventricular (AV) bundle \(\rarr\) Purkinje fibers \(\rarr\) cardiocyte in LV
• D)Sinoatrial (SA) node \(\rarr\)atrioventricular (AV) node \(\rarr\) atrioventricular (AV) bundle \(\rarr\) Purkinje fibers \(\rarr\) cardiocyte in LV
• E)Sinoatrial (SA) node \(\rarr\) atrioventricular (AV) node \(\rarr\) Purkinje fibers \(\rarr\) atrioventricular (AV) bundle \(\rarr\) cardiocyte in LV

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