This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy & Physiology (Liver), Subject name: Surgery
Which of the follow ing is false about hepatic duct? 
Select and explain. 
A. Left hepatic duct formed in umbilical fissure, B. Caudate lobe drains only left hepatic duct, C. Right hepatic duct formed by V and VIII segments, D. Left hepatic duct crosses IV segment
B: Caudate lobe drains only left hepatic duct
Answer: B: Caudate lobe drains only left hepatic duct 
Explanation: Ans. b. Caudate lobe drains only left hepatic duct In approximately 80% of the individuals, the caudate lobe drains into both the right and left hepatic ducts.In approx. 80% of the individuals, the caudate lobe drains into both the right and left hepatic ductsQ. In 15%, the caudate lobe drains only into the left hepatic duct. In 5%, the caudate is drained exclusively by the right hepatic duct.Caudate Lobe* Caudate lobe (segment I), lies between the left portal vein and the 1VC and extends to the hepatic venous confluence0.Caudate lobe is unique* It receives blood supply from both the right and left portal pedicles* Bile drain into both right and left hepatic duct0* Venous drainage is directly into IVCdeg* in approx. 80% of the individuals, the caudate Lobe drains into both the right and left hepatic duets0* in 15%. the caudate lobe drains only into the left hepatic duct* In 5%, the caudate is drained exclusively by the right hepatic duct.