Respiration Quiz Flashcards
1
Q
Will lower to inhale
A
Diaphragm muscle
2
Q
When the size of the internal thoracic cavity increases…..
A
The internal air pressure will decrease.
3
Q
The average external (atmospheric) air pressure is ….
A
760 mmHg
4
Q
When we take air in, rising ribs and lowering diaphragm, the air pressure drops to ….
A
758 mmHg
5
Q
Spirometer
A
Used to determine the vital capacity
6
Q
The amount of air that we can forcibly exhale in one breath
A
Vital capacity
7
Q
The air that is left in our lungs after exhaling
A
The residual volume
Is 1200 on average
8
Q
Total lung capacity
A
Vital capacity + residual value
VC+ RV
9
Q
The amount of air we exhale passively
A
Tidal volume
Average is 500 ml
10
Q
Will cause the ribs to rise when inhaling…
A
Intercostal muscles
