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: Pathology
Positive Tinel sign is suggestive 
Select and explain. 
A. Nerve regeneration, B. Wallerian Degeneration, C. Muscle Weakness, D. Loss of reflex
A: Nerve regeneration
Answer: A: Nerve regeneration 
Explanation: None