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: Unknown
[{'content': "Dequervain's tenosynovitis is a stenosing tenosynovitis of the \nSelect and explain. \nA. Tendo Achilles, B. Iliolumbar ligament, C. First extensor compartment of the wrist, D. Median nerve", 'role': 'user'}, {'content': "Answer: C \nExplanation: Dequervain's tenosynovitis is a stenosing tenosynovitis of the first exten\xadsor compartment at the wrist comprising the tendons of extensor pollicis brevis and Abductor pollicis longus.", 'role': 'assistant'}]