A nurse assesses arterial blood gas results for a patient in acute respiratory failure (ARF). Which of the following results are consistent with this disorder?
a) pH 7.35, PaCO2 48 mm Hg
b) pH 7.28, PaO2 50 mm Hg
c) pH 7.46, PaO2 80 mm Hg
d) pH 7.36, PaCO2 32 mm Hg
Answer: b) pH 7.28, PaO2 50 mm Hg
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