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': 'In which case cystometric study is indicated ? \nSelect and explain. \nA. Neurogenic bladder, B. Stress incontinence, C. Fistula, D. Urge incontinence', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans is 'a' ie Neurogenic bladder * Cystometric studies are urodynamic studies in which the pressure changes in the bladder is simultaneously measured with bladder filling and during micturition. * It helps in accurate assessment of detrusor and sphincter activity especially if a neurogenic abnormality is suspected. * Though it is also used in stress incontinence but the aim here is to rule out any neurogenic cause.", 'role': 'assistant'}]