This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper Extremity, Subject name: Anatomy
[{'content': 'Nerve involved due to lunate dislocation? \nSelect and explain. \nA. Median, B. Radial, C. Axillary, D. Ulnar', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. MedianLunate dislocations are an uncommon traumatic wrist injury that require prompt management and surgical repair. The lunate is displaced and rotated volarly. Patients present with wrist pain following a fall. Volar wrist swelling is usually prominent. The swelling often causes a decrease in 2-point discrimination in the median nerve distribution due to acute carpal tunnel syndrome.', 'role': 'assistant'}]