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The Nurse Is Reviewing the Process of Gas Exchange

Question 14

Multiple Choice

The nurse is reviewing the process of gas exchange. Which knowledge does the nurse apply to the relationship of red blood cells (RBCs) and oxygenation?


A) Carbon dioxide levels stimulate the production of RBCs.
B) RBCs are oxygen saturated if the PaO2 reaches 60 mm Hg.
C) Oxygen combines loosely with the heme in hemoglobin.
D) The desaturation of hemoglobin promotes tissue oxygenation.

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