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: Unknown
[{'content': 'True about Nasal Endoscopy is: \nSelect and explain. \nA. There are 4 passes, B. First pass is to examine middle meatus, C. Second pass is to examine the superior meatus, D. Third pass is the examine the inferior meatus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: All other options are wrong – the right answers are:\nThere are three passes\nFirst is along inferior meatus\nSecond is to inspect superior meatus and sphenoethmoid recess\nThird is to inspect the middle meatus', 'role': 'assistant'}]