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: Pathology
[{'content': "A 7-year-old girl is brought with complaints of generalized swelling of the body. Urinary examination reveals grade 3 proteinuria and the presence of hyaline and fatty casts. She has no history of hematuria. Which of the following statements about her condition is true? \nSelect and explain. \nA. No IgG deposits or C3 deposition on renal biopsy, B. Her C3 level will be low, C. IgA nephropathy is the likely diagnosis, D. Alport's syndrome is the likely diagnosis", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Grade 3 proteinuria, and the presence of hyaline and fatty cast in urine suggest the diagnosis of nephrotic syndrome.\nMost common cause of nephrotic syndrome in a child is minimal change disease ( not IgA nephropathy or Alport\xa0syndrome)\nIn minimal change disease there is no deposition of immune reactants (immunoglobulin or complement), and serum complement levels are normal.', 'role': 'assistant'}]