gas exchange and ventilation Flashcards
1
Q
what is the pleural cavity?
A
virtual space between 2 pleural memebranes (parietal and visceral) containing thin layer of fluid
2
Q
what is the pressure in the interpleural space?
A
negative pressure
3
Q
muscles and inspiration?
A
diaphragm
external intercostals
accessory muscles
4
Q
muscles involved in forced expiration?
A
abdominal
internal intercostals
some in back and neck
5
Q
what is the ideal gas law?
A
pv=nrt
6
Q
what is daltons law?
A
total pressure is equal to sum of all partial pressures of each gas
7
Q
what is henrys law?
A
concentration of gas dissolved is directly proportional to partial pressure in gas phase