This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': "Dysttropic calcification is seen in \nSelect and explain. \nA. Atheroma, B. Paget's disease, C. Renal osteodystrophy, D. Milk alkali syndrome", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref, Robbins 8/e p38,9/e p9/e65', 'role': 'assistant'}]