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The partial pressure (in mm Hg) of oxyge...

The partial pressure (in mm Hg) of oxygen (O2) and carbon dioxide (CO2) at alveoli (the site of diffusion) are:

A

pO2=95 and pCO2 = 40

B

pO2 = 159 and pCO2 = 0.3

C

pO2=104 and pCO2 = 40

D

pO2=40 and pCO2 = 45

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