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: Microbiology
[{'content': 'Characteristic infection of Nocardia asteroides is: \nSelect and explain. \nA. Diarrhea, B. Secondary dissemination to liver, C. Brain abscess, D. Colonic diveicula', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Brain abscess Subacute abscess is the typical extrapulmonary manifestation of nocardia, the most common site of dissemination is brain. Nocardial brain abscess are usually supratentorial, multiloculated, may be single or multiple. Brain abscess tend to burrow into ventricles and may extend out into subarachnoid space. Otherwise Meningitis is uncommon and is usually due to spread from nearby abscess. Remember: Other common site of dissemination skin, kidney, bone, muscle.', 'role': 'assistant'}]