This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Anesthetic Equipment), Subject name: Anaesthesia
[{'content': 'Blind nasal intubation is not indicated in? \nSelect and explain. \nA. TM joint ankyloses, B. Impossible laryngoscopy, C. CSF otorrhea, D. Base of skull fracture', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ANSWER: (D) Base of skull fractureREF: Miller 6lh ed p. 1628-1645 Contraindications for nasal intubation:Base of skull fractureCSF rhinorrhoeaAdenoidsNasal polypsBleeding disorderPrevious nasal surgeryIndications for blind nasal intubationImpossible laryngoscopyTM joint problemsTrismus due to any causeNeck contracture', 'role': 'assistant'}]