This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal tract, Subject name: Pediatrics
Poal venous pressure in a child is 
Select and explain. 
A. 5 mm Hg, B. 6 mm Hg, C. 7 mm Hg, D. 8 mm Hg
C: 7 mm Hg
Answer: C: 7 mm Hg 
Explanation: Poal venous pressure is the blood pressure in the hepatic poal vein, and is normally between 7 mmHg. Raised poal venous pressure is termed poal hypeension,and has numerous sequelae such as ascites and hepatic encephalopathy. Reference: GHAI Essential pediatrics, 8th edition