Respiratory Cycle Flashcards
1
Q
increase in lung volume, pressure _____, air _____
Decrease in lung volume, pressure _____, air _____
A
pressure decreases –> air enters
pressure increases –> air exits
(P1V1 = P2V2)
2
Q
the phrenic nerve supplies the diaphragm therefore, if injured, _______ _______ will be required
A
artificial ventilation
3
Q
at rest, intrapleural pressure is near ____ cm H2O
A
-5cm H2O
4
Q
during inspiration, intrapleural pressure _____ to near ___ cm H2O
A
Ppl decreases to near 8cm H2O
5
Q
as thoracic cavity increases in size, alveolar pressure ______ - due to increase in alveolar size
A
alveolar pressure decrease due to increase in alveolar size
6
Q
transpulmonary pressure is equal to the ________ minus the intrapleural pressure
A
alveolar pressure
