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: Pediatrics
[{'content': 'MCV (II) in infant of 1 month of age is - \nSelect and explain. \nA. 76-80, B. 80-100, C. 90-100, D. 101-125', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., 80-100 Mean MCV at the age of 1 months is 104 fL. Age Mean Hb g (g/dl) Mean PCV (%) Mean MCV (IL) TLC (109/L) Bih (cord blood) 16.5 51 108 18.1 1-3 days 18.5 56 108 18.9 7 days 17.5 54 107 12.2 14 days 16.5 51 105 11.4 1 month 14.0 43 104 10.8 2 months 11.5 35 96 10.8 6 months 11.5 35 91 11.9 1 year 12.0 36 78 11.4 2-6 years 12.5 37 81 9.1 6-12 years 13.5 40 86 8.4 12-18 years 14.0 42 90 8.1", 'role': 'assistant'}]