This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
[{'content': '3rd extensor compament of wrist contains tendon of \nSelect and explain. \nA. Extensor carpi radialis longus, B. Extensor carpi radialis brevis, C. Extensor pollicis longus, D. Extensor pollicis brevis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: -The extensor retinaculum is a thickened band of deep fascia on the back of wrist. the anterior or deep aspect of this retinaculum is divided into 6osseofibrous compaments by 5 septa arising from back of radius and ulna. These tunnels provide passage to the extensor tendons.they are numbered 1 to 6 lateral to medially. the third compament provides passage to EPL tendon.Reference: clinical anatomy for students a problem-solving approach, Neeta v Kulkarni, page no.84', 'role': 'assistant'}]