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
A person with involvement of upper respiratory tract, lungs and kidney shows evidence of granulomas on histo pathology. The most likely diaglosis is: 
Select and explain. 
A. Wegener's Granulomatosis, B. Goodpasture Syndrome, C. Tuberculosis, D. Sarcoidosis
A: Wegener's Granulomatosis
Answer: A: Wegener's Granulomatosis 
Explanation: Answer is A (Wegener's Granulomatosis) The charachteristic triad of vasculitis involving the upper respiratory tract, the lower respiratory tract (Lungs) and kidney along with granuloma formation on histopatholgy suggests a diagnosis of Wegener's granulomatosis.