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': '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: C \nExplanation: Kidney has five independent vascular segments\n\nSegmental arteries divide into lobar branches.\nArea of kidney supplied by lobar artery → renal → includes 1-2 pyramids and the adjacent part of the cortex.\nBranches of renal arteries are end arteries.\nRenal blood passes through 2 sets of capillary plexus.\n\n\nHigh-pressure bed (60 mmHg) of glomerular plexus for filtration.\nLow-pressure bed (13mmHg) of peritubular plexus for selective reabsorption and nutrition.\n\nThese are connected by efferent glomerular arterioles which act as a renal portal system.', 'role': 'assistant'}]