This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Uveitis, Subject name: Ophthalmology
[{'content': 'The use of highly active anti-retroviral therapy (HAA) is associated with the development of : \nSelect and explain. \nA. Keratitis, B. Anterior Uveitis, C. Poterior Uveitis, D. Optic neuritis', 'role': 'user'}, {'content': "Answer: C \nExplanation: Immune Recovery Uveitis With initiation of HAA, there is an upregulation of pro-inflammatory cytokines like IL-2, IL-6 and TNF alfa and the T lymphocycte fraction (increase to range of 100 cells/mm3). Present understanding is that with increase in the body's mechanism to mount an immune response, the body mounts a response to previously quiet and hence undiagnosed oppounistic infections such as CMV retinitis. Clinical manifestations can be varied and most commonly involves the posterior segment of the eye, though anterior, intermediate uveitis are also repoed. Papillitis may also be a feature.", 'role': 'assistant'}]