Regarding the Partial Pressures of O₂ and CO₂, Which of the Following

question 90

Multiple Choice

Regarding the partial pressures of O₂ and CO₂, which of the following statements is NOT true in a normal person at rest?

• A) Atmospheric P_O2 is greater than alveolar P_O2.
• B) The P_CO2 in air is less than alveolar P_CO2.
• C) The P_O2 in systemic arteries is typically greater than the alveolar P_O2.
• D) P_CO2 in the systemic veins is greater than systemic arterial P_CO2.
• E) P_CO2 in the pulmonary arteries is greater than pulmonary venous P_CO2.

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