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': 'Granular keratic precipitates are made of - \nSelect and explain. \nA. Epitheloid cells, B. Macrophages, C. Lymphocytes, D. RBC', 'role': 'user'}, {'content': 'Answer: C \nExplanation: granular KPs(small and medium KPs). These are pathognomic of non-granulomatous uveitis and are composed of lymphocytes.', 'role': 'assistant'}]