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
Normal reticulocyte count at bih is 
Select and explain. 
A. 1-2%, B. 2-6%, C. 6-10%, D. 30-40%
B: 2-6%
Answer: B: 2-6% 
Explanation: 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