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: Surgery
In patients with cirrhosis of the liver the site of obstruction in the poal system is in the? 
Select and explain. 
A. Hepatic vein, B. Post sinusoidal, C. Extra hepatic poal vein, D. Sinusoids
D: Sinusoids
Answer: D: Sinusoids 
Explanation: Ans is d i.e. Sinusoids