Gas exchange — Flashcards

The partial pressure of a gas (Px) in dry expired air is equal to _____

Increased Pco2 (hypercapnia) causes vaso-_____ in the pulmonary circulation

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

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

The _____ form of hemoglobin is found in the respiratory tract

What ultimately leads to cellular injury in hypoxia?_____