. A patient is on a 40% air entrainment mask. The barometric pressure is 758 torr. The patient has a blood gas drawn from the right radial artery. Her respiratory rate is 22 breaths/min. The results are as follows:pH = 7.40PaCO2 = 38 mm HgPaO2 = 65 mm HgSaO2 = 88%HCO3 = 24 mEq/LHemoglobin = 12What is the P(A-a)O2?
[Answered]: . A patient is on a 40% air entrainment mask. The bar
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