Which of the following is the correct interpretation of the following arterial blood gas results taken from a patient receiving no supplemental oxygen: pH = 7.37; PaCO₂ = 55 mm Hg; PaO₂ = 53 mm Hg; SaO₂ = 88%; and HCO₃- = 31 mEq/L?

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The pH of 7.37 indicates acidosis,but it is compensated because it is greater than 7.35 and less than 7.40 and the HCO₃- is greater than 26 mEq/L.The PaCO₂ of 55 mm Hg is indicative of a respiratory acidosis.The PaO₂ of 53 mm Hg shows that the patient has moderate hypoxemia.

Which of the Following Is the Correct Interpretation of the Following