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: Surgery
[{'content': 'All of the following are relative contraindication of nasopharyngeal airway adjunct except: \nSelect and explain. \nA. Nasoethmoidal fracture., B. Nasal fracture., C. Ethmoidal fracture., D. None.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: CI → ethmoid\n\nAs Nasopharyngeal air way\n\n↑es Intra – Cranial Pressure\n\nRisk of Cranial Placement.\nRisk of transmission of\xa0 infection intracranial', 'role': 'assistant'}]