This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney & Ureturs, Subject name: Surgery
[{'content': 'All the following are true regarding blood supply to the kidney, except: \nSelect and explain. \nA. Stellate veins drain superficial zone, B. It is a type of portal-circulation, C. The renal artery divides into five segmental arteries before entering the hilum, D. Its segmental arteries are end-arteries', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. (b) It is a type of portal-circulationRef: Snell's 7th Edition, Page 283Renal artery/ Venous system:* Right renal artery longer than left* Renal artery divides into 5 near hilum.* They are end arteries.* Left renal vein longer than Right* Stellate veins drain superficial zone of kidney cortex.* Left kidney is preferred for transplant because of its long vein.", 'role': 'assistant'}]