The Partial Pressure of Oxygen in Arterial Blood is Approximately

Question

The partial pressure of oxygen in arterial blood is approximately ________ mm Hg.
A) 40
B) 45
C) 50
D) 70
E) 100

Accepted Answer

The partial pressure of oxygen in arterial blood is approximately 100 mm Hg, which reflects the efficient oxygenation of blood as it passes through the lungs.