This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Distal degradation occurs in: \nSelect and explain. \nA. 24 hrs, B. 48 hrs, C. Both, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Distal degradation is the early change following nerve injury It occurs with in 24 hrs Ref:Guyton and Hall textbook of medical physiology 12th edition ,pag number: 74,75,76', 'role': 'assistant'}]