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: Pharmacology
[{'content': 'Which of the following is the drug of choice for treatment of peptic ulcer disease ? \nSelect and explain. \nA. Omeprazole, B. Pirenzepine, C. Ranitidine, D. Sucralfate', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Omeprazole o PPI are the DOC for peptic ulcer (gastric or duodenal), GERD, ZE syndrome, prevention of aspiratory pneumonia and NSAID induced gastric / duodenal ulcers. Note - PGE1 analogue (Misoprostol) is specific drug for prevention and treatment of NSAID induced ulcer, but DOC is PPI.", 'role': 'assistant'}]