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: Anatomy
False statement about common bile duct - 
Select and explain. 
A. Lies in free margin of lesser omentum, B. Anterior to first part of duodenum, C. Right to hepatic artery, D. Anterior to portal vein
B: Anterior to first part of duodenum
Answer: B: Anterior to first part of duodenum 
Explanation: Bile duct (upper third or supraduodenal part) passes downwards in the free margin of lesser omentum (hepatoduodenal ligament), behind the liver, anterior to the portal vein and to the right of hepatic arteryQ. Middle third (retro duodenal) part and lower third (infraduodenal - pancreatic) portion curves behind the first (1st) part of duodenum and head of pancreas respectively; whereas both parts run in front of (anterior to) IVC.