This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney disorders, Subject name: Pathology
[{'content': 'The kidney stone whose development is seen most commonly is:- \nSelect and explain. \nA. Calcium oxalate, B. Triple phosphate, C. Uric acid, D. Cysteine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Commonest stone seen in in kidney - Calcium oxalate Other types of kidney stones : Triple phosphate - Ca, NH4+ ,MgP04 Uric acid Cysteine stones', 'role': 'assistant'}]