This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nerves of Upper Extremity, Subject name: Anatomy
[{'content': 'Ape thumb deformity is due to injury of which nerve \nSelect and explain. \nA. Radial nerve, B. Ulnar nerve, C. Median nerve, D. Axillary nerve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Median nerveRef BDC Vol-1 Pg. 109,159; Clinical anatomy, Vishram Singh/ 58* Median nerve is the main nerve of the front of the forearm. It also supplies the muscles of thenar eminence.* The ape hand deformity or ape thumb deformity of hand is due to paralysis of thenar muscles which is supplied by median nerve.Presenting Feature of Ape Thumb Deformity* Thumb is laterally rotated and adducted* Loss of thenar eminence* Loss of opposition of thumb', 'role': 'assistant'}]