What part of the conduction system fibers extend into the papillary muscles?
A) SA node
B) AV node
C) Bundle branches
D) Purkinje fibers

Question

Quizplus · Accepted Answer

Purkinje fibers are specialized conductive fibers located within the walls of the heart ventricles. They extend from the bundle branches into the papillary muscles, facilitating coordinated contractions of the ventricles by ensuring rapid and uniform distribution of the electrical impulse.

What Part of the Conduction System Fibers Extend into the Papillary