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: Dental
[{'content': 'In leprosy nerves commonly involved – \nSelect and explain. \nA. High ulnar, low median, B. High median, low ulnar, C. Triple nerve palsy, D. High radial, low median', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Involvement is high ulnar (at or above the elbow) and low median (at the wrist).', 'role': 'assistant'}]