This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: AIDs, Subject name: Social & Preventive Medicine
[{'content': "HIV screening for blood transfusion is done by - \nSelect and explain. \nA. NACO, B. ASHA, C. Ministry' of education, D. None of the above", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' t.e., NACO o Access to safe blood for the needy is the primary' responsibility of NACO (National AIDS control organization).o Guidelines for blood bank, blood donors and dialysis unit have been formulated.o The strategy is to ensure safe collection, processing, storage and distribution of blood and blood products.o Testing of every unit of blood is mandatory for - HIV; HBV, HCV, malaria, syphilis.", 'role': 'assistant'}]