This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Murphy&;s sign is seen in? 
Select and explain. 
A. Acute appendicitis, B. Acute cholecystitis, C. Acute pancreatitis, D. Ectopic pregnancy
B: Acute cholecystitis
Answer: B: Acute cholecystitis 
Explanation: In the acute phase of CHOLELITHIASIS, the patient may have right upper quadrant tenderness that is exacerbated during inspiration by the examiner's right subcostal palpation (Murphy's sign). Ref: Bailey & Love&;s Sho Practice of Surgery,E25,Page-967,