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: Surgery
[{'content': 'The resting uretric pressure ? \nSelect and explain. \nA. 5-7 cm of Hp, B. 15-30 cm of Hp, C. 7-10 cm of Hp, D. 0-5 cm of 1-120', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is \'d\' i.e. 0-5 cm of H20 "Baseline or resting ureteral pressure is approx. 0 to 5 cm 1120, and superimposed ureteral contraction ranging from 20 to 80 cm H20 occur two to six times per minute." - Cambell\'s Urology', 'role': 'assistant'}]