Respiratory Pressures Flashcards
1
Q
what are respiratory pressures always described relative to
A
atmospheric pressure
2
Q
what is the atmospheric pressure at sea level
A
760 mmHg
3
Q
what is negative respiratory pressure
A
pressure lower than atmospheric pressure
4
Q
what is positive respiratory pressure
A
pressure higher than atmospheric pressure
5
Q
what is zero pressure
A
pressure is equal to atmospheric pressure