This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach & Duodenum, Subject name: Surgery
Duodenal ulcer with bleeding managed conservatively. Which treatment will he successful of the following? 
Select and explain. 
A. PPI + Bismuth + Tetracycline + Metrogyl, B. PPI + Amoxycillin + Clarithromycin, C. PPI + Clarithromycin + Bismuth, D. PPI + Metrogyl
B: PPI + Amoxycillin + Clarithromycin
Answer: B: PPI + Amoxycillin + Clarithromycin 
Explanation: Ans. (b) PPI+ Amoxycillin+ ClarithromycinRef: Sabiston 20th Edition, Page 1201* 90% of duodenal ulcers are associated with H. pylori, hence eradication therapy is advised for 14 days* US FDA Approved regimen LAC--Lansoprazole, Amoxycillin and Clarithromycin