This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
The velocity of conduction in the Purkinje fibers of the heart is 
Select and explain. 
A. 1 to 4 m/sec, B. 5 to 8 m/sec, C. 9 to 12 m/sec, D. More than 12 m/sec
A: 1 to 4 m/sec
Answer: A: 1 to 4 m/sec 
Explanation: None