This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculoskeletal Radiology, Subject name: Radiology
[{'content': 'Flaring of Anterior ends of ribs are seen in? \nSelect and explain. \nA. Neurofibromatosis, B. Hyperparathyroidism, C. Rickets, D. Coarctation of Aoa', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Rachitic Rosary is Flaring Of anterior ends of ribs at the costochondral junctions seen in Rickets.', 'role': 'assistant'}]