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: Medicine
Puddle sign is seen in: March 2012, March 2013 
Select and explain. 
A. Hydrothorax, B. Pneumothorax, C. Hydrocoele, D. Ascites
D: Ascites
Answer: D: Ascites 
Explanation: Ans: D i.e. Ascites Diagnosis of small quantity of ascites is done by demonstrating puddle sign. The patient is put in knee chest position so that the fluid gravitates down to the anterior abdominal wall. The stethoscope is placed over this and the anterior abdominal wall is flicked for puddle sound. This can diagnose even 150 ml of fluid