This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hernia, Subject name: Surgery
Burst abdomen occurs most common on - 
Select and explain. 
A. 2nd day, B. 7th day, C. 4th day, D. 9th day
B: 7th day
Answer: B: 7th day 
Explanation: Ans. is 'b' i.e., 7th day o In 1 -2% cases, mostly between sixth and eight day after operated, and abdominal wound bursts open and viscera are extruded.