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
Which is the commonest site of curling&;s ulcer 
Select and explain. 
A. 1st pa of duodenum, B. 2nd pa of duodenum, C. 3rd pa of duodenum, D. Junction between 2nd and 3rd pa of duodenum
A: 1st pa of duodenum
Answer: A: 1st pa of duodenum 
Explanation: Acute ulcers formed after major burns are called as curling&;s ulcers .diagnosis is by gastroscopy.presents as a pain in the gastric region, vomiting or haematemesis, treatment is conservative with PPI, curling&;s ulcer occurs when burn injury is more than 35%. Ref: SRB&;s manual of surgery,ed5, pg 823