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respiratory alkalosis.
🧪The pH of 7.49 is above the normal range (7.35–7.45), indicating an alkalotic state.
🫁The PaCO₂ is low at 30 mm Hg (normal 35–45 mm Hg), reflecting hyperventilation and excessive CO₂ elimination.
⚖️The HCO₃⁻ is within normal limits (22–26 mEq/L), showing no primary metabolic disturbance.
🔍These values point to a primary respiratory origin for the alkalosis rather than a metabolic cause.
📌Core Message
Low PaCO₂, elevated pH, normal HCO₃⁻ → respiratory alkalosis.
This question is from NCLEX-RN Practice Exam 1 which contains 123 questions.
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