This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Microbiology
[{'content': 'Giemsa stain yeast cells in HIV are associated with \nSelect and explain. \nA. Aspergillosis, B. Blastomycosis, C. Cryptococcosis, D. Histoplasmosis', 'role': 'user'}, {'content': "Answer: C \nExplanation: (C) Cryptococcosis # Cryptococcus neoformans is an encapsulated yeast that causes cryptococcosis.> Cryptococcosis has changed from a relatively obscure fungal pathogen that infects immunocompetent patients to a leading cause of central nervous system infection in the world's enlarging immunocompromised populations.> Infection with C. neoformans is termed cryptococcosis.> Most infections with C. neoformans occur in the lungs.> Fungal meningitis and encephalitis, especially as a secondary infection for AIDS patients, are often caused by C. neoformans, making it a particularly dangerous fungus.> Infections with this fungus are rare in those with fully functioning immune systems.", 'role': 'assistant'}]