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': 'Fracture of distal end of radius may results in loss of function of which tendon: September 2007 \nSelect and explain. \nA. Extensor pollicis longus, B. Flexor pollicis brevis, C. Extensor indicis, D. Extensor digitorum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A: Extensor Pollicis Longus', 'role': 'assistant'}]