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Q What is the difference in solubility of carbon dioxide and oxygen?

ID: #10042 Respiratory system 104 views
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#10042Q ID
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Respiratory systemTopic
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  • A 20-25 times ✔ ✖
  • B 5-10 times ✔ ✖
  • C 15-20 times ✔ ✖
  • D 25-30 times ✔ ✖
Correct Answer: Option A

Explanation

The solubility of carbon dioxide is 20-25 times higher than that of oxygen. This means that carbon dioxide can diffuse through the diffusion membrane per unit difference in partial pressure much more easily than oxygen. Therefore, even though the partial pressure of oxygen is higher in the alveolar air compared to carbon dioxide, more carbon dioxide can still diffuse out of the body than oxygen can diffuse into the body.

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