Gas Transport — O2 and CO2 MCQ — NEET PG Practice Question | NEETPGAI
Gas Transport — O2 and CO2
hard
heart-pulse Physiology
A 52-year-old man with chronic obstructive pulmonary disease (COPD) presents with worsening dyspnea. Arterial blood gas shows: pH 7.32, PaCO₂ 62 mmHg, PaO₂ 52 mmHg, HCO₃⁻ 32 mEq/L, SaO₂ 78%. His hemoglobin is 18 g/dL. On the oxygen-hemoglobin dissociation curve, which of the following factors is MOST responsible for the rightward shift observed in this patient's blood?
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