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
[{'content': 'Liver segment which is physiologically independent? \nSelect and explain. \nA. Segment I, B. Segment II, C. Segment III, D. Segment IV', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Caudate lobe (segment I) is a physiological independent pa of liver, supplied by both right and left hepatic aeries; right and left branches of poal vein and drains bile into both right and left hepatic duct.', 'role': 'assistant'}]