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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Human Performance and Limitations > Under normal resting conditions, how does the partial pressure of carbon dioxide in alveolar air compare with that in the mixed venous blood arriving at the pulmonary capillaries before gas exchange?

347 - ATPL Question Bank in English - Under normal resting conditions, how does the partial pressure of carbon dioxide in alveolar air compare with that in the mixed venous blood arriving at the pulmonary capillaries before gas exchange?

Question 347 - Human Performance and Limitations - ATPL - Airline Transport Pilot Licence

It is higher than in the incoming mixed venous blood.

It is equal to that in dry atmospheric air.

It is lower than that in dry atmospheric air.

It is lower than in the incoming mixed venous blood, allowing carbon dioxide to diffuse into the alveoli.

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