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': 'Psammoma bodies show which type of calcification \nSelect and explain. \nA. A. Metastatic, B. B. Dystrophic, C. C. Macrophages, D. D. Plasma cells', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Refer ribbons 8/e p38, 9e p65', 'role': 'assistant'}]