This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anaesthetic equipments, Subject name: Anaesthesia
Nasal intubation is contra indicated in - 
Select and explain. 
A. CSF Rhinorrhea, B. Fracture cervical spine, C. Fracture mandible, D. Sho neck
A: CSF Rhinorrhea
Answer: A: CSF Rhinorrhea 
Explanation: Indications : Cervical spine instability,trismus,Intraoral mass, severe angioedema Contraindications Absolute : Epiglotitis,Basilar skull fractures,significant mid face fractures Relative : Large nasal mass, nasal foreign body, recent nasal instrumentation, Epistaxis,CSF rhinorrhea, nasal or upper airway hematoma or infection