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': 'True about mosquito preventive nets are all except? \nSelect and explain. \nA. Hole size < 0.0475, B. 150 holes per square inch, C. Best pattern in circular, D. There should be no rent', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e.,Best pattern is circular The best pattern of mosquito net is the rectangular net.There should not be a single rent in the net.The Size of openings in the net is of utmost impoance, the size should not exceed 0.0475 inch in any diameter.The number of holes in one square inch in usually 150..", 'role': 'assistant'}]