Lung volumes Flashcards
1
Q
What piece of equipment do we use to measure lung volumes
A
Spirometer
2
Q
What is tidal volume
A
The volume of air that is breathed in and out during a normal breath
3
Q
What is expiratory reserve volume
A
The volume of additional air that can be forcibly exhaled after a normal breath
4
Q
What is inspiratory reserve volume
A
The volume of additional air that can forcibly inhaled after a normal breath
5
Q
What is residual volume and what is its purpose
A
The volume of air that is left in the lungs after a maximal expiration
Prevents the lungs from collapsing
6
Q
How do we calculate vital capacity
A
EV+IRV+RV
7
Q
What is minute ventilation
A
The volume of air that leaves and enters the lungs per minute
8
Q
How do we work minute ventilation
A
tidal volume x breathing rate/frequency
