Which statement is NOT true of the partial pressure of oxygen in the pulmonary veins?
A) is about 40 mmHg.
B) is equivalent to alveolar partial pressure.
C) is the same as pulmonary arteries' partial pressure.

Question

Quizplus · Accepted Answer

The partial pressure of oxygen in the pulmonary veins is not the same as the pulmonary arteries' partial pressure because oxygen is being picked up by the blood in the lungs, resulting in an increase in the partial pressure of oxygen in the pulmonary veins compared to the pulmonary arteries.

Which Statement Is NOT True of the Partial Pressure of Oxygen