For a healthy adult at rest, what is the normal pressure gradient for oxygen across the alveolar-capillary membrane when breathing room air at sea level?

Question

Quizplus · Accepted Answer

The normal pressure gradient for oxygen across the alveolar-capillary membrane when breathing room air at sea level is approximately 60 mm Hg. This gradient drives the diffusion of oxygen from the alveoli into the blood.

For a Healthy Adult at Rest, What Is the Normal