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': 'Tube (Cylinder) cast is applied for the fracture of \nSelect and explain. \nA. Shoulder, B. Hip, C. Pelvis, D. Knee', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Knee Cylinder (tube) cast is used in undisplaced transverse fracture of patellaQ.', 'role': 'assistant'}]