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MCQ

Question

Which of the following reduces hemoglobin’s affinity for oxygen, promoting oxygen release in tissues?

Choose one · Correct answer highlighted

Low pCO₂ Low temperature High pCO₂ and high H⁺ concentration Correct High pO₂

High pCO₂ and high H⁺ concentration reduce hemoglobin’s affinity for oxygen, promoting oxygen unloading in tissues.

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