HomeCCP-C Critical Care PrepQuestion 6 of 10
CCP-C Critical Care PrepQuestion 6 / 10

Considering the parameters for oxygen delivery in critical care, what is the arterial oxygen content (CaO_2) based on the given data? Parameter Value Cardiac Output (CO) 5 L/min Hemoglobin Concentration (Hb) 15 g/dL Arterial Oxygen Saturation (SaO_2) 98% Partial Pressure of Oxygen (PaO_2) 95 mmHg

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✓ Correct answer: B. 20 mL O2/dL CaO_2 calculation uses the formula: $$CaO_2 = (Hb imes SaO_2 imes 1.34) + (PaO_2 imes 0.003)$$ Where Hb = 15 g/dL, SaO_2 = 98%, PaO_2 = 95 mmHg. Plugging in these values, CaO_2 = $$15 imes 0.98 imes 1.34 + 95 imes 0.003$$. This results in approximately 20 mL O2/dL.

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