Figure 38.15

-What is the partial pressure of oxygen at the start of the systemic capillary beds?
A) 40 mm Hg
B) 100 mm Hg
C) 70 mm Hg
D) 104 mm Hg
E) 130 mm Hg

Question

Figure 38.15
 
-What is the partial pressure of oxygen at the start of the systemic capillary beds?  
A) 40 mm Hg 
B) 100 mm Hg 
C) 70 mm Hg 
D) 104 mm Hg 
E) 130 mm Hg

Quizplus · Accepted Answer

The partial pressure of oxygen at the start of the systemic capillary beds is approximately 100 mm Hg. This is because oxygenated blood from the lungs has just been delivered to the systemic circulation, where it will release oxygen to the tissues.

Figure 38.15 -What Is the Partial Pressure of Oxygen at the Start