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': 'Carbenoxolone sodium is used in peptic ulcer because it - \nSelect and explain. \nA. Systemic antacid, B. Orally used antacid, C. Promotes the ulcer healing, D. Defoaming agent', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., It promotes the ulcer healing o Carbenoxolone promotes healing of gastric ulcer without altering the volume or acidity of gastric juice.", 'role': 'assistant'}]