Which ABG pattern suggests metabolic alkalosis?
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Correct answer: pH 7.49, PaCO₂ 44 mmHg, HCO₃⁻ 30 mEq/L
pH is high (alkalosis), HCO₃⁻ is elevated (30 mEq/L) so it indicates metabolic alkalosis; PaCO₂ is within near normal indicating little respiratory involvement.
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