How is alveolar air different than inspired air?
A)Alveolar air has a higher PN2 than inspired air.
B)Alveolar air has a lower PCO2 than inspired air.
C)Alveolar air has a higher PO2 than inspired air.
D)Alveolar air has a higher PH2O than inhaled air.

Question

Quizplus · Accepted Answer

Alveolar air has a higher PH2O than inhaled air because it is humidified by the respiratory tract, increasing the water vapor content.

How Is Alveolar Air Different Than Inspired Air