Physiology Figures Flashcards
Normal l/min of oxygen exchanged
250ml/min
normal l/min of Co2 exhanged
200l/min
Partial pressure of oxygen in normal lung
100
partial pressure of co2 in normal lung
40
Partial pressure of co2 and o2 in hypoventilating lung
c02 - 100
02- 30
Partial pressure of co2 and o2 in hyperventilating lung
o2- 120
co2- 20
normal FEV
4 L
normal FVC
5.0
typical FEV and FVC in obstructive
FEV - 1.3 (reduced)
FVC - 3.1
CHANGE IN RATIO
typical FEV and FVC in restrictive
FEV 2.8
FVC 3.1
NO REAL CHANGE IN RATIO
Compliance of human lung
200ml.cm water-1
surfactant starts being made inutero
25 weeks
Surfactant stops being made inutero
36 weeks
partial pressure of co2 in alveoli
40
partial pressure of co2 in pulmonary circulation
46