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QWhat is the correct statement regarding the partial pressure of oxygen in alveoli?

ID: #9984 Respiratory system 157 views
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#9984Q ID
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Respiratory systemTopic
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  • A Less than carbon dioxide ✔ ✖
  • B Less than the blood ✔ ✖
  • C More than the blood ✔ ✖
  • D Equal to that of the blood ✔ ✖
Correct Answer

Explanation

The partial pressure of oxygen in alveoli is more than that of the blood. This is due to the process of diffusion, where oxygen moves from an area of high concentration (alveoli) to an area of low concentration (blood). Similarly, the partial pressure of carbon dioxide in alveoli is less than that of the blood, as carbon dioxide moves from the blood to the alveoli through diffusion. Therefore, option C is the correct statement.

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