Upper Respiratory Tract Flashcards
1
Q
Features
A
- Nasal cavity
- Pharynx
- Larynx
2
Q
Larynx: Structure
A
Hyaline cartilages (except epiglottis), membranes and ligaments in the anterior neck between C3-6
3
Q
Larynx: Function
A
Produce sound from expired air and protects the inlet to the respiratory system
4
Q
Larynx: Innervation
A
Branches of vagus nerve
- Recurrent laryngeal nerves
5
Q
Larynx: Attachments
A
- Hyoid bone lies superiorly
- Pharynx lies posteriorly
- Continuous inferiorly with trachea (C6)
6
Q
Vocal cord attachments
A
Anterior: thyroid cartilage
Posterior: arytenoid cartilage
7
Q
Epiglottis
A
Elastic cartilage that prevents solids and liquids entering the laryngeal inlet