What structure conducts action potentials down the atrioventricular septum?
a. Bachmann bundle
b. Bundle of His
c. Sinoatrial node
d. Atrioventricular node
ANS: B
The bundle of His conducts action potentials down the atrioventricular septum, not the Bach-mann bundle. The sinoatrial node conducts the potential along the atria while the atrioventricular node conducts impulses to the ventricles.
Health Professions
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