At normal blood pH (7.4), hemoglobin is 40% saturated at a partial pressure of oxygen (O?) of 20 mmHg. Use the oxygen–hemoglobin dissociation curves to determine the oxygen saturation of hemoglobin at a partial pressure of O? of 20 mmHg, if the blood pH drops to 7.2. O? saturation of hemoglobin (%) 100 (pH 7.6) 80 60 (pH 7.4) 40 pH 7.2 20 0 0 20 40 60 80 100 P?? (mm Hg) oxygen saturation: %
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At normal blood pH (7.4), hemoglobin is 40% saturated at a partial pressure of oxygen (O₂) of 20 mmHg. Use the oxygen–hemoglobin dissociation curves to determine the oxygen saturation of hemoglobin at a partial pressure of O₂ of 20 mmHg, if the blood pH drops to 7.2. oxygen saturation:
Adi S.
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