In a responsive patient, capnography is used to:
A. determine the amount of carbon dioxide produced by aerobic metabolism.
B. confirm the presence of shock if the ETCO2 is greater than 45 mm Hg.
C. determine the partial pressure of oxygen in the arterial blood.
D. assess the percentage of hemoglobin that is saturated with oxygen.
Ans: A. determine the amount of carbon dioxide produced by aerobic metabolism.
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