Lung volumes and capacities Flashcards
1
Q
WHat are the four volumes
A
Tidal volume
Inspiratory reserve
Residual volume
Expiratory reserve
2
Q
Tidal volume
A
volume inspired in unforced respiratory cycle
approx. 500ml
3
Q
Inspiratory volume
A
max volume inspired during forced breathing in addition to the tidal volume
4
Q
Residual volume
A
volume of gas in lungs after a max expiration (never goes down to zero)
5
Q
Expiratory volume
A
max volume expired during forced expiration/breathing in addition to the tidal volume
6
Q
What are the four capacities?
A
Vital capacity
Inspiratory capacity
Total lung capacity
Functional residual capacity
7
Q
Vital capacity
A
max amount of gas expired after max inspiration (a lot)
8
Q
Inspiratory capacity
A
max gas inspired after tidal expiration
9
Q
Total lung capacity
A
total amount of gas in lungs after max inspiration
10
Q
A
