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': 'The impoant coreceptors for HIV to bind with CD4 receptors are: \nSelect and explain. \nA. CCR4 and CXCR3, B. CCR5 and CXCR4, C. CCR4 and CXCR5, D. CCR4 and CXCR2', 'role': 'user'}, {'content': "Answer: B \nExplanation: The primary cellular receptor for HIV is CD4 (Helper subset of T cells). HIV has two major coreceptors: CCR5 and CXCR4 (for fusion and entry)ALSO KNOW:Kaposi's sarcoma cannot be explained completely by the immunodeficiency caused by HIV infection. Ref: Harrison, Edition-18, Page-1519.", 'role': 'assistant'}]