Answer
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Hint: In measuring and closely estimating the partial pressure of oxygen within the alveoli, the alveolar gas equation is of great support. For calculating alveolar oxygen partial pressure, the alveolar gas equation is used.
Complete answer:
The amount of oxygen gas dissolved in the blood is represented by $P{{O}_{2}}$ (partial oxygen pressure). The indicator of carbon dioxide inside the arterial or venous blood is the partial pressure of carbon dioxide (\[PC{{O}_{2}}\] ). It also functions as a sign of adequate alveolar ventilation within the lungs.
Alveolar $P{{O}_{2}}$is higher than venous $P{{O}_{2}}$ Whereas arterial $P{{O}_{2}}$ is lower than alveolar $P{{O}_{2}}$. The diffusion of \[{{O}_{2}}\] is caused by this disparity in partial \[{{O}_{2}}\]pressures.
For the following two factors, alveolar oxygen partial pressure is less than atmospheric \[{{O}_{2}}\] partial pressure
-Second, as air reaches the lungs, the upper airway is humidified and, therefore, the partial pressure of water vapour (\[47\text{ }mmHg\] ) decreases the partial pressure of oxygen to approximately\[150\text{ }mmHg\] .
- The remainder of the difference is due to the pulmonary capillaries continually taking up oxygen and the continuous diffusion of \[C{{O}_{2}}\] into the alveoli from the capillaries.
Alveolar ventilation is proportional to the body's exhalation rate of carbon dioxide (\[V'C{{O}_{2}}\] ) and inversely proportional to that of \[PaC{{O}_{2}}\]
Note: As the pulmonary capillary compresses with rising alveolar volume, a portion of the alveolar pressure is transferred to the pulmonary capillaries and veins. The level of transmission is based on lung elastance; it is easier for more compliant lungs to distend, increasing alveolar wall elongation and increasing pressure transmission.
Complete answer:
The amount of oxygen gas dissolved in the blood is represented by $P{{O}_{2}}$ (partial oxygen pressure). The indicator of carbon dioxide inside the arterial or venous blood is the partial pressure of carbon dioxide (\[PC{{O}_{2}}\] ). It also functions as a sign of adequate alveolar ventilation within the lungs.
Alveolar $P{{O}_{2}}$is higher than venous $P{{O}_{2}}$ Whereas arterial $P{{O}_{2}}$ is lower than alveolar $P{{O}_{2}}$. The diffusion of \[{{O}_{2}}\] is caused by this disparity in partial \[{{O}_{2}}\]pressures.
For the following two factors, alveolar oxygen partial pressure is less than atmospheric \[{{O}_{2}}\] partial pressure
-Second, as air reaches the lungs, the upper airway is humidified and, therefore, the partial pressure of water vapour (\[47\text{ }mmHg\] ) decreases the partial pressure of oxygen to approximately\[150\text{ }mmHg\] .
- The remainder of the difference is due to the pulmonary capillaries continually taking up oxygen and the continuous diffusion of \[C{{O}_{2}}\] into the alveoli from the capillaries.
Alveolar ventilation is proportional to the body's exhalation rate of carbon dioxide (\[V'C{{O}_{2}}\] ) and inversely proportional to that of \[PaC{{O}_{2}}\]
Note: As the pulmonary capillary compresses with rising alveolar volume, a portion of the alveolar pressure is transferred to the pulmonary capillaries and veins. The level of transmission is based on lung elastance; it is easier for more compliant lungs to distend, increasing alveolar wall elongation and increasing pressure transmission.
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