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': 'Magaldrate is conveed by gastric acid to ? \nSelect and explain. \nA. Magnesium hydroxide, B. Magnesium hydroxide and calcium carbonate, C. Magnesium hydroxide and Aluminium hydroxide, D. Calcium carbonate and aluminium hydroxide', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is `c' i.e., Magnesium hydroxide and Aluminium hydroxide Magaldrate: Magaldrateis a common antaciddrug that is used for the treatment of duodenal and gastric ulcers, esophagitis from gastroesophageal reflux. Magaldrate is a hydroxymagnesium aluminate complex that is conveed rapidly in gastric acid to Mg(OH), and Al(OH)3, which are absorbed poorly and thus provide a sustained antacid effect.", 'role': 'assistant'}]