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': "Most common organs involved in wegner's granulomatosis are \nSelect and explain. \nA. Skin and nose, B. Lung and kidney, C. Heart and kidney, D. Kidney and navour system", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Wegner gronulomatosis now known as, granulomatosis with polyangitis is a necrotizing vasculitis characterized by a tried of.\n\nNecrotizing gronulomar of the upper respiratory tract (ear, nose, sinuses, throat) or the lower respiratory tract (lung) or both.\nNecrotizing or granulomatous vasculitis affecting small to medium - sized vessels (eg: capillorics, venuler, arterioles and arterier). Most prominent in the lungs and upper airways but involving other sites as wells.\nFocal necrotizing, often crescentic, glomerulonephritis Also know that "limited" forms of this disease may be restricted\xa0to the respirotory tract,', 'role': 'assistant'}]