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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 PO2 is greater than alveolar PO2.
B) The PCO2 in air is less than alveolar PCO2.
C) The PO2 in systemic arteries is typically greater than the alveolar PO2.
D) PCO2 in the systemic veins is greater than systemic arterial PCO2.
E) PCO2 in the pulmonary arteries is greater than pulmonary venous PCO2.

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