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Gas Transport — O2 and CO2 MCQ — NEET PG Practice Question | NEETPGAI

Subjects/Physiology/Gas Transport — O2 and CO2

Gas Transport — O2 and CO2

medium

heart-pulse Physiology

A 62-year-old man with chronic obstructive pulmonary disease presents with progressive dyspnea. Arterial blood gas analysis shows elevated PaCO₂ and low pH. Which is the most common cause of CO₂ retention in this patient?

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