Gas exchange — Flashcards

Transfer of gases across cell membranes or capillary walls occurs by _____

Increased ventilation (e.g. high altitude) causes _____ Paco2

Blood in the umbilical vein has a Po2 of approximately _____ mmHg

Is the A - a gradient normal, increased, or decreased, in response to hypoventilation (e.g. opioid use, obesity hypoventilation syndrome)? _____

The concentration of a dissolved gas (Cx) is equal to _____

In _____-limited gas exchange, the gas equilibrates early along the length of the capillary

Is the A - a gradient normal, increased, or decreased, in response to right-to-left shunts? _____

Damage to the alveolar-capillary interface leads to _____ alveolar-capillary permeability

What is the purpose of decreased maternal PCO2 during pregnancy?_____

The lung diffusing capacity, DL, is _____ proportional to the surface area available for diffusion