This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory System Pa 1, Subject name: Physiology
Pulmonary capillary pressure is: 
Select and explain. 
A. 5 mm Hg, B. 10 mm Hg, C. 20 mm Hg, D. 32 mm Hg
B: 10 mm Hg
Answer: B: 10 mm Hg 
Explanation: The average pulmonary capillary pressure is 10 mm Hg. Pulmonary capillary wedge pressure (which reflects LA pressure) is 5 mm Hg.