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: Medicine
[{'content': 'Salt losing nephritis is a feature of : \nSelect and explain. \nA. Interstitial nephritis, B. Renal Amyloidosis, C. Lupus nephritis, D. Post Streptococcal Glomerulonephritis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Answer is A (Interstitial Nephritis) In interstitial nephritis there occurs damage to distal tubules, which results in impaired sodium reabsorption and hence the so called 'salt wasting'. Tubulointerstitial nephritis? This is a group of renal disease characterized by predominant involvement of the tubules and interstitium which leads to defect in the ability of the kidney to concentrate urine.", 'role': 'assistant'}]