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
In which case cystometric study is indicated ? 
Select and explain. 
A. Neurogenic bladder, B. Stress incontinence, C. Fistula, D. Urge incontinence
A: Neurogenic bladder
Answer: A: Neurogenic bladder 
Explanation: 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.