This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
The Normal Poal venous pressure is: 
Select and explain. 
A. 4-6 mm Hg, B. 8-12 mm Hg, C. 26-30 mm Hg, D. 12-16 mm saline
B: 8-12 mm Hg
Answer: B: 8-12 mm Hg 
Explanation: 8-12 mm Hg