All are involved in cardiac conduction pathway except:: (A) SA node, (B) Purkinje fibers, (C) Bundle of His, (D) Sarcomere
Answer is D. Ans: D (Sarcomere) Ref: Ganong's Review of Medical Physiology. 21st ed.Explanation:Cardiac Conduction PathwaySA nodeAV nodeBundle of HisLeft and right bundle branchPurkinje fibres