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NEET Previous Year Question

$The partial pressures (in mm Hg ) of oxygen (O_{2}) and carbon dioxide (CO_{2}) at alveoli (the site of diffusion) are:$

Topic: NEET PYQ

Answer: D. Full step-by-step solution below.

A $pO_{2} = 40 and pCO_{2} = 45$
B $pO_{2} = 95 and pCO_{2} = 40$
C $pO_{2} = 159 and pCO_{2} = 0.3$
D $pO_{2} = 104 and pCO_{2} = 40$

Correct answer: D

Solution

(d) pO_{2} = 104 mm Hg; pCO_{2} = 40 mmHg

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