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
Conduction velocity in AV node & SA node? 
Select and explain. 
A. 0.05 meter/sec, B. 0.5 meter/sec, C. 1 meter/sec, D. 5 meter/sec
A: 0.05 meter/sec
Answer: A: 0.05 meter/sec 
Explanation: Ans .a.0.05 meter/sec [ref Genong2}n/eP' 522)