L1 Flashcards
1
Q
Order of airway
A
Mouth Pharynx Larynx trachea Primary bonchi Secondary bronchi Bronchioles Terminal bronchioles Respiratory bronchioles alveolar ducts alveolar sacs
2
Q
Respiratory and conducting zone
A
Conducting: trachea to terminal bronchioles
Respiratory: resp. bronchioles to alveolar sacs
3
Q
Cystic fibrosis
A
mutation in Cl channel reduces NaCl into mucus, less water, thick mucus
4
Q
Cells responsible for microbial defense in lungs
A
pulmonary macrophages
5
Q
Cells in alveoli
A
Type I: Epithelial gas exchange
Type II: secrete surfactant
Macrophages
6
Q
CO2 solubility
O2 solubility
A
CO2: 77mmol/L
O2: 2.2mmol/L
7
Q
Air flow formula
A
F equals change in pressure over resistance
8
Q
Transpulmonary pressure
A
Alveolar pressure-intrapleural pressure
9
Q
Structure of Trachea, bronchi, bronchioles
A
Trachea and bronchi: cartilage rings and mucous glands
Bronchioles; smooth muscle; no rings or glands
