Gas exchange — Flashcards

In the steady state, the respiratory quotient, R, is normally equal to _____

How does normal aging change the A-a gradient?_____

Blood in the umbilical vein has a O2 saturation of approximately _____%

Why must fetal hemoglobin have a much higher O2 binding affinity than HbA? _____

Carboxyhemoglobin causes _____ O2-binding capacity

The partial pressure of a gas (Px) in humidified tracheal air is equal to _____

Patients with cyanide poisoning have a _____ of the venous-arterial PO2 gradient

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

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

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