Breathing Flashcards
1
Q
Tidal volume
A
Normal breathing
2
Q
Inspiration reserve volume
A
Extra amount that can be breathed in after normal breathing
3
Q
Expiratory reserve volume
A
Extra air that can be exhaled from normal breathing
4
Q
Residual volume
A
Air left in lungs that cannot be expired. CO2 dense
5
Q
Vital capacity
A
TV + IRV + ERV
6
Q
Avg TV males?
Females?
A
500mL
400mL
10-20%
7
Q
Avg IRV
A
3100mL
60-70%
8
Q
Avg ERV
A
1200mL
25%
9
Q
Avg RS
A
1200mL
25%
10
Q
Avg TLC
A
6000mL
11
Q
Used to measure lung volume
A
Spirometer
12
Q
Period
A
Duration of each breathing cycle
13
Q
Max inspiration flow
A
Max rate of air movement during inhalation
14
Q
Mean TV x breathing rate =
A
Minute ventilation
15
Q
Factors that influence diffusion in lungs
A
Surface area
Diffusion distance
Concentration gradient