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
Most sensitive test for diagnosis of infectious mononucleosis: 
Select and explain. 
A. Monospot test, B. Paul Bunnel test, C. Lymphocytosis in peripheral smear, D. Culture of the virus
A: Monospot test
Answer: A: Monospot test 
Explanation: Ans. a. Monospot