Which of these statements does NOT describe the partial pressure of oxygen in the pulmonary veins
A)It is about 100 mmHg.
B)It is equivalent to alveolar partial pressure.
C)It is the same as pulmonary arteries' partial pressure.
D)It is highest in pulmonary veins.

Question

Quizplus · Accepted Answer

The partial pressure of oxygen in the pulmonary veins is not the same as that in the pulmonary artery because oxygen diffuses from the alveoli into the bloodstream as it passes through the lungs. As a result, the partial pressure of oxygen in the pulmonary veins is higher, around 95-100 mmHg.

Which of These Statements Does NOT Describe the Partial Pressure