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': 'Which of the following is true about female health \nSelect and explain. \nA. Acts at PHC level, B. Covers a population of 5000 population, C. Chlorinates well at regular intervals, D. Makes at least 3 post natal visits for each delivery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Female and male health workers work at subcentre level, i.e. cover 5000 population in general or 3000 population inhilly, tribal & backward area.', 'role': 'assistant'}]