The Work of Breathing (PK2) Flashcards
1
Q
What is total lung capacity (TLC)?
A
Volume when lungs are inflated to full capacity
2
Q
What is residual volume (RV)?
A
Volume remaining in lungs after forced expiration
3
Q
What is vital capacity (VC)?
A
Greatest volume of air that can be expelled from the lungs after the largest inhalation
4
Q
What is functional residual capacity (FRC)?
A
Volume remaining in the lungs after a normal breath
5
Q
What is inspiratory capacity (IC)?
A
Volume of air that can be inspired after a normal expiration
6
Q
Boyle’s Law
A
P1 x V1 = P2 x V2
7
Q
What muscle(s) are used in normal breathing?
A
Diaphragm
8
Q
What muscle(s) are used in large effort inspiration?
A
- External intercostals
- Scalenes
- Sternocleidomastoids
9
Q
What muscle(s) are used in large effort expiration?
A
- Internal intercostals
- Abdominal muscles
