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': 'Wallerian degradation includes \nSelect and explain. \nA. Axon degradation, B. Myelin degradation, C. Phagocytosis to clear the injury site, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Distal degradation also called wallerian degradation includes 3 major steps Axon degradation Myelin degeneration Phagocytosis to clear injury site It occures with 24 hrs Ref:Guyton and Hall textbook of medical physiology 12th edition,page number :74,75,76', 'role': 'assistant'}]