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': 'Milk-Alkali syndrome may be caused by ingestion of - \nSelect and explain. \nA. Calcium-carbonate, B. Magnesium sulphate, C. Aluminium trisilicate, D. Aluminium hydroxide', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Calcium carbonate When Milk was prescribed with 'Calcium Carbonate' in the past, it produced a syndrome (milk alkali syndrome) characterised by : o Headache/Anorexia/Weakness/Abdominal discomfo o Abnormal Ca' deposits & Renal stones.", 'role': 'assistant'}]