This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diagnostic and operative ENT, Subject name: ENT
[{'content': 'Antral puncture is done through \nSelect and explain. \nA. Superior meatus, B. Inferior meatus, C. Middle meatus, D. All', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Antral puncture and irrigation: Sinus cavity is irrigated with a cannula passed through the inferior meatus. Removal of pus and exudates helps the sinus mucosa to reve to normal. Ref: Dhingra 7e pg 219.', 'role': 'assistant'}]