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': 'Investigation of choice to establish the diagnosis in case of nephrotic syndrome in adult is \nSelect and explain. \nA. Renal biopsy, B. DMSA, C. CT Scan, D. MRI', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. Renal biopsyIn adults since steroid responsive disease is less likely (<30%), and a wide differential diagnosis ofnephrotic syndrome exists, renal biopsy is recommended to establish the diagnosis.', 'role': 'assistant'}]