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: Surgery
[{'content': 'Leukemoid reaction is seen in: \nSelect and explain. \nA. Acute infection, B. Erythroleukemia, C. Myelomatosis, D. Hemorrhage', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Acute infection Persistent neutrophilia of 30,000-50,000 cells/ul, or greater is known as leukemoid reaction. It is a term used to distinguish this degree of neutrophilia from leukemia. In a leukemoid reaction, the circulating neutrophils are mature and not cion ally derived. leukemoid reaction is seen in ACUTE INFECTIONS in children.', 'role': 'assistant'}]