Day 3 Respiratory system Flashcards
what is the order of bones in Larynx
Hyoid bone
Thyroid cartillage
cricoid cartillage
Where is a surgical airway placed
Cricothyroid membrane
what are the parts of the upper airway
Nose mouth pharynx nasopharynx oro pharynx laryngopharynx larynx
what forms the lower airway
trachea, lungs, bronchi, bronchioles and alveoli
What is the parietal pleaura
lines the chest cavity
what is the visceral cavity
lines the lung
what does serous fluid do
allows the lung to move without friction
what is a normal RR
12-20 per min
what is a slow RR
10 and below
what is a rapid breathing rate
above 20
what are stretch receptors in lungs
Hering breuer reflex stops over inflation. be aware of unconcious cas
what is the composition of air
78.5% nitrogen
21% 02
0.5% other gases and C02
what is the lung volume
5-6 litres
what is tidal volume
think tides- 500ml
what is the average residual volume
1200ml
