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': 'Myoglobinuria is seen in which type of burns: \nSelect and explain. \nA. Contact burn, B. Electric burn, C. Scald, D. Flame burn', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Electrical burns may cause extensive muscle necrosis and consequent myoglobinuria and hemoglobinuria, both of which may lead to renal insufficiency.', 'role': 'assistant'}]