This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': 'Blisters are seen in \nSelect and explain. \nA. 1st degree burn, B. Superficial 2nd degree burn, C. Deep 2nd degree burn, D. 3rd degree burn', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Superficial second degree burns Involve upper layer of dermis (papillary dermis) Erythematous Blisters are seen Blanch to touch Painful Heals without scarring in 7-14 days Ref: Sabiston 20th edition Pgno :506-507', 'role': 'assistant'}]