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Physiology Quiz -
Hemoglobin - Part 4
Hemoglobin dramatically increase the oxygen carrying capacity of blood, serving to transport large volumes of oxygen from respiratory organs to metabolically active tissues, which allows for the maintenance of the high metabolic rate enjoyed by vertebrate animals. Test your basic knowledge of hemoglobin by taking this simple quiz.
(1)   In humans, an oxygen (O2) partial pressure (PO2) of 100 mm Hg leads to O2 binding to approximately __________% of hemoglobin O2 binding sites.
(2)   In humans, an oxygen (O2) partial pressure (PO2) of 40 mm Hg leads to O2 binding to approximately __________% of hemoglobin O2 binding sites.
(3)   In humans, an oxygen (O2) partial pressure (PO2) of 28 mm Hg leads to O2 binding to approximately __________% of hemoglobin O2 binding sites.
(4)   In humans, an oxygen (O2) partial pressure (PO2) of 100 mm Hg leads to an O2 content of whole blood that is approximately __________mL%.
(5)   In humans, an oxygen (O2) partial pressure (PO2) of 40 mm Hg leads to an O2 content of whole blood that is approximately __________mL%.
(6)   In humans, an oxygen (O2) partial pressure (PO2) of 28 mm Hg leads to an O2 content of whole blood that is approximately __________mL%.
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Posted: Friday, October 30, 2015