This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Pharmacology
[{'content': 'The following anti ulcer drug DOES NOT act by reducing the secretion of or neutralizing gastric acid: \nSelect and explain. \nA. Megaldrate, B. Sucralfate, C. Misoprostol, D. Omeprazole', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (Ref: KDT 6/e p636) Megaldrate is an antacid. It acts by neutralizing the gastric acid. Omeprazole and misoprostol derease the secretion of gastrict acid. Sucralfate is an ulcer protective agent. It forms the protective coating over the ulcer base.', 'role': 'assistant'}]