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': 'Allergic asthma and rhinitis are related to the chemokine receptor: \nSelect and explain. \nA. CCR1, B. CCR2, C. CCR3, D. CCR5', 'role': 'user'}, {'content': 'Answer: C \nExplanation: CCR1 is associted with rheumatoid ahritis and multiple sclerosis. CCR2 is related to atherosclerosis, rheumatoid ahritis and multiple sclerosis, and type 2 diabetes mellitus. CCR3 is connected to allergic asthma and rhinitis. CCR5 is a HIV 1 co receptor and is connected to transplant rejection.Ref: Harrisons principles of internal medicine, 18th edition, Page: 2663.', 'role': 'assistant'}]