This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
In couinaud's classification, segment IV of liver is 
Select and explain. 
A. Caudate lobe, B. Quadrate lobe, C. Right lobe, D. Left lobe
B: Quadrate lobe
Answer: B: Quadrate lobe 
Explanation: Segments nomenclature I Caudate lobe (sometimes subdivided into left and right pas called segment IX) II Left lateral superior segment III left lateral Inferior segment IV left medial segment or Quadrate lobe V Right anterior Inferior segment VI Right posterior Inferior segment VII Right posterior superior segment VIII Right anterior superior segment