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: Surgery
1st sign of Burst abdomen is 
Select and explain. 
A. Bleeding at the site, B. Serpsangerinous drainage, C. Pain at the site, D. None of the above
B: Serpsangerinous drainage
Answer: B: Serpsangerinous drainage 
Explanation: Wound dehiscence is also known as Burt Abdomen. Its first sifn is serous or Serosangesinous drainage.