This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Microbiology
[{'content': 'Paul Bunnel test is done for \nSelect and explain. \nA. HBV, B. EBV, C. CMV, D. HIV', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (B) EBV # Heterophil antibodies, which is an antibody against EBV cross reacts with red blood cells of different animal species.> This can be used as a rapid screening test for mononucleosis (Monospot test and Paul Bunnell tests)> The Paul-Bunnell test uses sheep erythrocytes; the Monospot test, horse red cells, blood cells.> In infectious mononucleosis, IgM heterophil antibodies are usually detectable for the first 3 months of infection.', 'role': 'assistant'}]