Upper airway anatomy Flashcards
(6 cards)
1
Q
The upper airway extends from the mouth/nares to what cartilage
A
cricoid cartilage
2
Q
What functions does the upper airway provide
A
humidfying, filtering, and preventing aspiration
2
Q
what three dilator muscles help hold the upper airway open
A
Tensor palatine
Genioglossus
Hyoid muscles
3
Q
what is the most common location of obstruction related to anesthesia
A
tongue = genioglossus muscle relaxation
4
Q
what conditions reduce the diameter of the pharynx
A
- reduced pharyngeal dilator muscle tone
- negative pressure during inspiration
5
Q
A
