This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
Ureteric colic characterized by all except 
Select and explain. 
A. Acute onset, B. Stillness of the patients, C. Responds to antispasmodics, D. Radiates to the groin
B: Stillness of the patients
Answer: B: Stillness of the patients 
Explanation: Pain due to inflammation is usually steady, whereas pain due to obstruction fluctuates in intensity. Thus the pain produced by ureteral obstruction is typically colicky in nature and intensifies with ureteral peristalsis, at which time the pressure in the renal pelvis rises as the ureter contracts in an attempt to force urine past the point of obstruction. Pain of intraperitoneal origin is seldom colicky, as with obstructive renal pain. Fuhermore, pain of intraperitoneal origin frequently radiates into the shoulder because of irritation of the diaphragm and phrenic nerve; this does not occur with renal pain. Typically, patients with intraperitoneal pathology prefer to lie motionless to minimize pain, whereas patients with renal ( ref : Campbell - Walsh urology 11 th ed , chapter 1 , pg 2 ) pain usually are more comfoable moving around and holding the flank.