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
[{'content': 'Tinel sign is indicative of \nSelect and explain. \nA. Axonal conduction, B. Diffuse axonal injury, C. Axon degeneration, D. Muscle ischaemia', 'role': 'user'}, {'content': "Answer: C \nExplanation: Tinel's sign : It records regeneration of nerve by Tapping on the nerve course from distal to proximal direction, tingling sensation is felt at the sprouting nerve ends till the distal course of the nerve (law of Projection)", 'role': 'assistant'}]