Dynamic Pulmonary Function Test Flashcards
1
Q
What is respiratory minute volume = pulmonary ventilation?
A
Volume of air inspired or expired / min during test
Equals Vt X respiratory rate = 0.5 X (12 - 16) = 6-8 L /min
2
Q
What does respiration include?
A
Pulmonary ventilation
Exchange of gases
3
Q
What is ventilation?
A
Flow of a gas into the lungs ( 4 L /min)
4
Q
What is perfusion?
A
Flow of blood to an organ (lungs) 5 L / min
5
Q
What is the ventilation/ perfusion ratio?
A