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: Social & Preventive Medicine
[{'content': 'Urban malaria scheme is based on – \nSelect and explain. \nA. Epidemiology surve, B. Anti-adult measures, C. Anti–larval measures, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The Urban malaria scheme was launched in 1971 under National Malaria Eradication programme with the aim to reduce the vector population in urban area through recurrent antilarval measures.\nThe main aim is the reduction of the disease to a tolerable level in which the human population can be protected from malaria transmission with the available means.\nThe urban malaria scheme aims at -\n\n\nTo prevent death due to malaria.\nReduction of transmission and morbidity.\n\n\nNorms include -\n\na) Town should have a minimum population of 50,000.\n\n\nThe API should be 2 or above.\nThe towns should promulgate and strictly implement the civic by laws to prevent/eliminate domestic and peridomestic breeding places.\n\n\nUnder the scheme, malaria control strategy comprise of -\n\n\nPrasite control :- Treatment through passive agencies, e.g. hospitals, dispensaries both in private & public sectors.\nVector control :- It includes\n\n\nSource reduction :- Reduction of breeding places.\nUse of larvicides.\nUse of larvivorous fish :- Gambusia fish\nSpace spray.', 'role': 'assistant'}]