The nurse is reviewing the process of gas exchange. What knowledge does the nurse apply to the relationship of red blood cells (RBCs) and oxygenation? Oxygen combines loosely with the heme in hemoglobin. Carbon dioxide levels stimulate the production of RBCs. RBCs are oxygen saturated if the PO 2 reading is below 60 mm Hg . The desaturation of hemoglobin promotes tissue oxygenation.
[Answered]: The nurse is reviewing the process of gas exchange
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