This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney & Ureturs, Subject name: Surgery
[{'content': 'Ureteric colic characterized by all EXCEPT: \nSelect and explain. \nA. Acute onset, B. Stillness of the patients, C. Responds to antispasmodics, D. Radiates to the groin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (Respond to antispasmodics) (1317-Baily &Love 24th) (1274-Baily & Love 25th)Ureteric colic -* The patient is usually in such agony that only parenteral opioids will give relief: (1025-CSDT 12th)* There is a pattern of severe exacerbation on a back ground of continuing pain* Radiates to the groin, penis, scrotum or labium as the stone progresses down to the ureter.* The severity of pain is not related to the size of the stone.* The pain is almost invariably associated with haematuria* There may be few physical signsManagement of small stones* Most small (< 5 mm) urinary calculi will pass spontaneously and can be conservatively* The presence of infection in an upper urinary tract obstruction by stone is dangerous and is an indication for surgical intervention even if the stone is small.', 'role': 'assistant'}]