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': 'High tension electrical burns from overhead electrical lines can cause: \nSelect and explain. \nA. Myoglobinurea and Acute renal failure, B. Severe alkalosis, C. No ECG change will be seen in the first 24 hrs, D. Blood vessels are spared', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]