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': '3rd extensor compament of wrist contains tendon of ? \nSelect and explain. \nA. ECRL, B. ECRB, C. EPL, D. EPB', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C) EPL The third compament contains the extensor pollicis longus tendon, which originates at the mid-ulna and inses at the base of the first distal phalanx. In combination with the EPB tendon, it extends the thumb at the first carpometacarpal and first interphalangeal joints.', 'role': 'assistant'}]