This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chronic Kidney Disease and Uremia, Subject name: Medicine
Most common cause of CRF in adults is - 
Select and explain. 
A. TB, B. HTN, C. DM, D. Scleroderma
C: DM
Answer: C: DM 
Explanation: Ans. is 'c' i.e., DM o Diabetes mellitus is the most common cause of Renal failure.