Why Is N₂O the Ideal Gas for Measuring the Extent

question 19

Multiple Choice

Why is N₂O the ideal gas for measuring the extent to which pulmonary blood contributes to the diffusion rate?

• A) Blood can absorb N₂O at a greater rate than N₂O can diffuse across the alveolar capillary membrane.
• B) If N₂O is inhaled, the pulmonary capillary blood reaches its maximum capacity for N₂O almost instantly.
• C) If N₂O is inhaled, the pulmonary capillary blood reaches its maximum capacity for N₂O slowly.
• D) Blood can absorb N₂O at a slower rate than N₂O can diffuse across the alveolar capillary membrane.

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