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: Pathology
[{'content': 'MHC II is present on \nSelect and explain. \nA. Platelets, B. RBC, C. Macrophages, D. Endothelial cells', 'role': 'user'}, {'content': 'Answer: C \nExplanation: MHC I is present on all nucleated cells and platelets.\nMHC is present on\xa0immune cells like Macrophage, Langerhans cells, B cells.', 'role': 'assistant'}]