What Is the Interpretation of a Blood Gas That Shows

question 21

Multiple Choice

What is the interpretation of a blood gas that shows a pH of 7.44, a PaCO₂ of 50 mm Hg, a PaCO₂ of 48 mm Hg, and an [HCO₃^-] of 33 mEq/L in a patient with advanced COPD?

• A) Uncompensated respiratory acidosis
• B) Partially compensated respiratory alkalosis
• C) Compensated metabolic alkalosis
• D) Acute hyperventilation superimposed on chronic respiratory acidosis

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