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
The kidney stone whose development is seen most commonly is:- 
Select and explain. 
A. Calcium oxalate, B. Triple phosphate, C. Uric acid, D. Cysteine
A: Calcium oxalate
Answer: A: Calcium oxalate 
Explanation: Commonest stone seen in in kidney - Calcium oxalate Other types of kidney stones : Triple phosphate - Ca, NH4+ ,MgP04 Uric acid Cysteine stones