This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nephritic & Nephrotic Syndrome, Subject name: Pediatrics
[{'content': "Characteristic feature of Goodpasture's syndrome? \nSelect and explain. \nA. Lumpy-bumpy deposits on immunofluorescence, B. Serum antibodies against alpha 3 NC 1 domain of collagen-IV, C. Serum antibodies against alpha 1 NC 1 domain of collagen III, D. Anti DNAse antibodies positive", 'role': 'user'}, {'content': 'Answer: B \nExplanation: In Goodpasture syndrome, type 1 RPGN & type II hypersensitivity reaction are seen. It is characterized by serum antibodies against alpha 3 NC1 domain of collagen - IV. Lumpy-bumpy deposits on immunofluorescence- seen in Post Streptococcal GN', 'role': 'assistant'}]