Perfusion and Diffusion Limited Transport
Physiology
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Respiratory
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Gas Exchange and Transport
Q. Which of the following explains why oxygen transport becomes diffusion-limited in certain lung pathologies?
a
Blood flow is so reduced that diffusion rate falls.
b
Blood flow is so elevated that diffusion rate falls.
c
Disease that blocks or slows oxygen diffusion creates a diffusion-limited situation.
d
Diseases that increase the rate of diffusion create diffusion-limited situations.
e
None of the above.
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