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ADA NBDE National Board Dental Part I

Category - NBDE

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Which of the following is the most important factor in determining the affinity of hemoglobin for oxygen?

PCO2
PO2
pH
Hb concentration

Explanation

Answer: B - The PO2 determines the affinity of hemoglobin for oxygen binding, by causing a conformational change in the Hb molecule.

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ADA NBDE National Board Dental Part I

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ADA NBDE National Board Dental Part I

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