Perfusion and Diffusion Limited Transport
Physiology
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Respiratory
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Gas Exchange and Transport
Q. Which statement best describes the curve for PaO2 in healthy lungs?
a
PaO2 begins at 100 mmHg and quickly reaches 40 mmHg
b
PaO2 equilibriates with PAO2 in the final one-third of the pulmonary capillary
c
PaO2 and PAO2 reach equilibrium in the first one-third of the pulmonary capillary
d
The PAO2-PaO2 gradient (shaded area) remains high along the length of the pulmonary capillary
e
None of the above
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