For ABG pH 7.40, PaCO₂ 60 mmHg, HCO₃⁻ 36 mEq/L, what interpretation is most accurate?
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Correct answer: b. Fully compensated respiratory acidosis
The pH is normal, but PaCO₂ is high, and HCO₃⁻ is elevated, indicating fully compensated respiratory acidosis.
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