Infants acquire adult hemoglobin level at_____________?
Correct answer: A. End of 1st year
- A. End of 1st year
- B. Birth
- C. Puberty
- D. 4 years
Explanation
Foetal haemoglobin progressively declines after birth while HbA rises, reaching the predominant adult pattern during the first year. This is why the end of the first year is the best option.
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