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': 'A trained dai caters for a population of – \nSelect and explain. \nA. 1000, B. 2000, C. 3000, D. 4000', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Local dais (Traditional birth attendants)\n\nUnder Rural Health Scheme, all categories of local dies are trained to improve their knowledge in the elementary concepts of : -\n\n\nMCH\nSterilization (Small family norm)\nTraining\n\n\nTraining is for 30 working days.\nThey are paid a stipend of Rs. 300 during training period.\nTraining is given for 2 days in a week at PHC, sub centre or MHC centre.\nOn the remaining four days of the week they accompany the health worker female.\nDuring her training period each dai is required to conduct at least 2 deliveries under the supervision of health worker.\nThe national target is to train one local dai in each village.\nNote : One village is equivalent to 1000 rural population.', 'role': 'assistant'}]