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: Surgery
[{'content': 'Superficial burns; true is/are - \nSelect and explain. \nA. Always requires skin grafting, B. Dry & inelastic, C. Blister formation, D. Can be healed within 7 to 10 days', 'role': 'user'}, {'content': "Answer: D \nExplanation: Answer is 'd' i.e. Can be healed within 7 to 10 days Burn depth is an impoant topic and repeatedly asked. Burns are classified according to increasing depth in 2 ways 1) into degrees i.e. 1st degree to IVth degree burn 2) into a less precise classification i.e. Shallow & Deep burns.", 'role': 'assistant'}]