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: Anatomy
[{'content': "Compartment involved in Dequervian's tenosynovitis \nSelect and explain. \nA. I, B. II, C. V, D. VI", 'role': 'user'}, {'content': "Answer: A \nExplanation: Extensor pollicis brevis and abductor pollicis longus are invovled in Dequervian's tenosynovitis.\nThe condition is tested using FRINKELSTEIN test.", 'role': 'assistant'}]