Gas exchange — Flashcards

Which zone of the lung has the highest Pao2? _____

What cause of hypoxemia is not greatly helped by supplemental O2?_____

Sleep apnea is characterized by a _____ Pao2 and Paco2 during the day

What ultimately leads to cellular injury in hypoxia?_____

The _____ of the oxygen-Hb dissociation curve is the Po2 at which hemoglobin is 50% saturated

In normal health, O2 exhibits _____-limited gas exchange

The partial pressure of oxygen in the alveolar air (PAO2) and arterial blood (PaO2) is normally approximately _____ mmHg

The _____ form of hemoglobin is found in the respiratory tract