This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Viral Infections, Subject name: Pediatrics
[{'content': 'An 8 year old boy presented with fever and bilateral cervical lymphadenopathy with prior history of sore throat. There was no hepatomegaly. The peripheral blood smear shows >20% lympho plasmacytoid cells. The most likely diagnosis is: \nSelect and explain. \nA. Tuberculosis, B. Infectious Mononucleosis, C. Acute lymphoblastic leukemia, D. Influenza', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Infectious MononucleosisThe given clinical situation suggests Infectious MononucleosisFeatures of Infectious Mononucleosis:* Cervical Lymphadenopathy* Fever* History of sore throat* >20% atypical lymphocytesHepatomegaly may be absent (Occurs only in 30% of cases)', 'role': 'assistant'}]