This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Liver), Subject name: Surgery
Pringle's maneuver is mainly used to control bleeding from? 
Select and explain. 
A. IVC, B. Hepatic artery, C. Cystic artery, D. Hepatic vein
B: Hepatic artery
Answer: B: Hepatic artery 
Explanation: Ans. (b) Hepatic arteryRef: Bailey & Love 26th ed. / 360* Control of bleeding from portal vein is difficult because of vigorous backflow requiring a double pringle maneuver with clamping above and below the injury. In practice the hepato-duodenal ligament is often too short, to accommodate two clamps and portal vein, and must be repaired with less than optimal control using a combination of pringle maneuver and direct digital pressure* Pringle manoeuvre: Digital compression of the hilar vessels to control hepatic bleeding from traumatic injuries also known-as the Pringle maneuver.