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': 'Most sensitive test for diagnosis of IMN ? \nSelect and explain. \nA. Monospot test, B. Paul Bunnel test, C. Lymphocytosis in peripheral smear, D. Culture', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans is 'a' i.e., Monospot test", 'role': 'assistant'}]