For maximum loading of hemoglobin with oxygen at the lungs,the A)PCO₂ should be high. B)pH should be slightly acidic. C)PO₂ should be about 70 mm Hg. D)BPG levels in the red blood cells should be high. E)PCO₂ should be low.

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Quizplus · Accepted Answer

Low PCO2 in the lungs facilitates the loading of oxygen onto hemoglobin by shifting the oxygen-hemoglobin dissociation curve to the left, enhancing oxygen affinity.

For Maximum Loading of Hemoglobin with Oxygen at the Lungs,the