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: Radiology
[{'content': 'Calcification of Interveebral Disc is seen in \nSelect and explain. \nA. Gout, B. Rheumatoid, C. Alkaptonuria, D. Psoriasis', 'role': 'user'}, {'content': "Answer: C \nExplanation: C i.e. Alkaptonuria Features Disease Fish Mouth Veebrae - Sickel Cell AnemiaQ HomocystinuriaQ Cod Fish Veebra (Biconcave veebra) - Osteomalacia, Osteoporosis, Hyperparathyroid Rugger jersey spine (sclerosis of upper & lower spine borders) - CRF induced osteomalaciaQ - Osteopterosis (marbel bone disease) Calcification of Interveebral disc - Alkaptonuria (m.c.) Picture Frame veebrae - Paget's disease Veebrae plana - Eosinophilic granulomaQ", 'role': 'assistant'}]