What will be the pO_{2} and pCO_{2} in atmosp | vedclass

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(A) The partial pressure of gases in atmospheric air is $pO_{2} = 159 \; mmHg$ and $pCO_{2} = 0.3 \; mmHg$.In the alveoli,the partial pressure of gase

Vedclass · Accepted Answer

High $pO_{2}$ and low $pCO_{2}$

Vedclass · Answer

(A) The partial pressure of gases in atmospheric air is $pO_{2} = 159 \; mmHg$ and $pCO_{2} = 0.3 \; mmHg$.In the alveoli,the partial pressure of gases is $pO_{2} = 104 \; mmHg$ and $pCO_{2} = 40 \; mmHg$.Comparing these values,the atmospheric air has a higher $pO_{2}$ $(159 \; mmHg > 104 \; mmHg)$ and a lower $pCO_{2}$ $(0.3 \; mmHg Therefore,the correct option is $A$.

What will be the $pO_{2}$ and $pCO_{2}$ in atmospheric air as compared to alveoli?

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