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: Microbiology
[{'content': 'All are mononuclear-macrophages except ? \nSelect and explain. \nA. Histiocytes, B. Microglia, C. Kupfer cells, D. B-cells', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., B-cells Blood macrophages - Monocytes Tissue macrophages - Histocytes Lung - Alveolar macrophages Brain - Microglia Liver - Kupffer cells Bone - Osteoclasts Kidney - Mesangial cells", 'role': 'assistant'}]