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Solution


Q.

The partial pressure of oxygen in the alveolar air is 
 a) 45 mm Hg               b) 95 mm Hg                    c) 104 mm Hg              d) 110 mm Hg
1 A
2
3 C
4 D

Ans.

c) The partial pressure of oxygen in the alveolar air is 100-105 mm Hg.