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Question

RBC count is higher in

A
New born babies
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B
Persons living in hilly areas
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C
Persons suffering from respiratory ailments
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D
All the above.
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Solution

The correct option is A New born babies

A. New born babies

Reason: Infants have fetal hemoglobin, where has more affinity for oxygen than the hemoglobin found in adults. So, due to more affinity, oxygen binding will also be strong. The amount of oxygen released by RBC at the tissue level is deceased. So in order to compensate for the decreased oxygen availability the number of RBCs is increased.


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