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: Anaesthesia
Merits of nasotracheal intubation is 
Select and explain. 
A. Good oral hygiene, B. Less infection, C. Less miscosal damage and bleeding, D. More movement or displacement of endotracheal t ube
A: Good oral hygiene
Answer: A: Good oral hygiene 
Explanation: Good oral hygine Intubation can be done in two ways : Orotracheal intubation Nasotracheal intubation Orotracheal intubation is the preferred technique in most cases. It is most suited to emergency situation (nasotracheal intubation requires a little extra time. Orotracheal intubation under direct laryn goscopy is generally the easier route and the one of choice in unstable patients when rapid re-establishment of the airway is essential. Nasatracheal intubation is better tolerated during pralonged mechanical ventilation. Nasotracheal intubation has ceain drawbacks :? - Increased risk of nosocomial sinusitis - Increased risk of mensal damage and bleeding therefore nasotracheal intubation should be avoided in coagulopathies - Restricted movement of the endotracheal tube Complications of orotracheal tube occurs due to - Occlusion or displacement of the tube and airway trauma.