This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Uveal tract, Subject name: Ophthalmology
[{'content': 'Mutton fat keratic precipitate and Busacca nodules is seen in - \nSelect and explain. \nA. Granulomatous uveitis, B. Non-granulomatous uveitis, C. Posterior uveitis, D. Choroiditis', 'role': 'user'}, {'content': "Answer: A \nExplanation: The pathological reaction in granulomatous uveitis is characterised by infiltration with lymphocytes, plasma cells, with mobilization and proliferation of large mononuclear cells which eventually become epithelioid and giant cells and aggregate into nodules. Iris nodules are usually formed near pupillary border (Koeppe's nodules). and sometimes near collarette (Busacca nodule). Similar nodular collection of the cells is deposited at the back of cornea in the form of mutton fat keratic precipitates.", 'role': 'assistant'}]