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: Surgery
[{'content': "Goodpasture's syndrome is characterised by : \nSelect and explain. \nA. Necrotising haemorrhagic interstitial pneumonitis, B. . Alveolitis, C. Patchy consolidation, D. Pulmonary oedema", 'role': 'user'}, {'content': "Answer: A \nExplanation: Necrotising haemorrhagic interstitial pneumonitis Goodpasture's syndrome is an uncommon autoimmune disease. It shows presence of circulating autoantibiodies against non collagenous domain at a-3 chain of collagen IV. These antibodies initiate inflammatory distruction at basement membrane in glomeruli & lung alveoli, giving rise to RPGN & necrotising haemorrhagic interstitial pneumonitis.", 'role': 'assistant'}]