This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'Sepsis patient with TLC OF 15000, Neutrophil is 40%, Eosinophil 7%, Band cells 15%, Metamyelocytes 5% and Lymphocytes are 35% what is I:T ratio \nSelect and explain. \nA. 20%, B. 23%, C. 30%, D. 33%', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Immature to total white blood cells (I:T ratio): Immature cell count-band cells + metamyelocyteNow i/t = 3000/15000 = 1/5 = 20%I:T ratio, CRP, total count are used in diagnosis of infection, NELSON 20th edition', 'role': 'assistant'}]