What is the partial pressure of Oxygen (PO_2) | vedclass

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Question

(B) In the human respiratory system,the partial pressure of gases in the alveoli is essential for the exchange of gases between the blood and the lung

Vedclass · Accepted Answer

$PO_2 = 104 \, mm \, Hg$ and $PCO_2 = 40 \, mm \, Hg$

Vedclass · Answer

(B) In the human respiratory system,the partial pressure of gases in the alveoli is essential for the exchange of gases between the blood and the lungs.- The partial pressure of Oxygen $(PO_2)$ in the alveoli is approximately $104 \, mm \, Hg$.- The partial pressure of Carbon dioxide $(PCO_2)$ in the alveoli is approximately $40 \, mm \, Hg$.- These values create a concentration gradient that allows $O_2$ to diffuse into the blood and $CO_2$ to diffuse out of the blood into the alveoli for exhalation.- Therefore,option $B$ is the correct answer.

Gas	Alveolar Air $(X/A)$	Atmospheric Air $(Y/B)$
$pO_{2}$	$X$	$Y$
$pCO_{2}$	$A$	$B$

What is the partial pressure of Oxygen $(PO_2)$ and Carbon dioxide $(PCO_2)$ in the alveoli?

Similar Questions

What does the presence of a large number of alveoli around the alveolar duct opening into the bronchioles in mammalian lungs indicate?

The partial pressure of $O_{2}$ and $CO_{2}$ in atmospheric air as compared to those in alveolar air is:

Gas Alveolar Air $(X/A)$ Atmospheric Air $(Y/B)$

$pO_{2}$ $X$ $Y$

$pCO_{2}$ $A$ $B$

Which of the following is correct regarding the partial pressures of gases ($PO_2$ and $PCO_2$) in different parts of the human respiratory system?

Which are the three main layers that form the diffusion membrane?

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