This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Normal reticulocyte count at bih is \nSelect and explain. \nA. 1-2%, B. 2-6%, C. 6-10%, D. 30-40%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Reticulocytes are 2 to 6 % of rbc count in the circulation at bihthey decreade to less than 1% during week after bih at which level they remain throughout life', 'role': 'assistant'}]