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Physiology Heart, Circulation, and Blood e11af099

Maximum Conducting velocity is of?

A
Purkinje fibers
B
Bundle of His
C
SA Node
D
AV bundle
High-Yield Explanation
Ans. a (Purkinje fibers). (Ref. Ganong, Physiology, 21st ed., Table 28-1)CONDUCTION SPEEDS IN CARDIAC TISSUETissueConduction Rate (m/s)SA node0.05Atrial pathways1AV node0.05Bundle of His1Purkinje system4Ventricular muscles1

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