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: Pediatrics
[{'content': 'Which is not a feature of posterior urethral valve - \nSelect and explain. \nA. Palpable bladder, B. Painful stress incontinence, C. Recurrent UTI, D. Hydronephrosis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Painful stress incontinence o Back pressure in posterior urethral valve causes hydronephrosis and distended bladder. o There is thin urinary stream and urinary stasis causes recurrent UTI.", 'role': 'assistant'}]