What will be the $p O_{2}$ and $p C O_{2}$ in the atmospheric air compared to those in the alveolar air?
(i) $p O_{2}$ lesser, $p C O_{2}$ higher
(ii) $p O_{2}$ higher, $p C O_{2}$ lesser
(iii) $p O_{2}$ higher, $p C O_{2}$ higher
(iv) $p O_{2}$ lesser, $p C O_{2}$ lesser.

Open in App

Solution

(ii) The pO $_{2}$ (partial pressure of oxygen) will be higher in the atmospheric air compared to that in the alveolar air. The pCO $_{2}$ (partial pressure of carbon dioxide)will be lesser in the atmospheric air compared to that in the alveolar air. In atmospheric air, pO $_{2}$ is about 159 mm Hg. In alveolar air, it is about 104 mm Hg. In atmospheric air, pCO $_{2}$ is about 0.3 mm Hg. In alveolar air, it is about 40 mm Hg.

Suggest Corrections

Similar questions

What will be the $p O_{2}$ and $p C O 2$ in the atmospheric air compared to those in the alveolar air?

p O_{2}

p C O_{2}

C O_{2}

$C O_{2}$ dissociates from carbamino haemoglobin when

(a) $p C O_{2}$ is high and $p O_{2}$ is low

(b) $p O_{2}$ is high and $p C O_{2}$ is low

(d) None of the above

P o_{2}

P c o_{2}

Join BYJU'S Learning Program