The Pressure Gradient for the Diffusion of CO in the Lung

question 30

Multiple Choice

The pressure gradient for the diffusion of CO in the lung is:

• A) Equivalent to the partial pressure of inspired CO
• B) The difference between inspired and expired CO
• C) Equal to the alveolar minus capillary partial pressure of CO
• D) Equal to the alveolar-arterial O₂ gradient

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