Lab R. Knowledge 33 Flashcards
1
Q
Elevates 3rd, 4th, and 5th ribs
A
Pectoralis minors
2
Q
Elevated the sternum
A
Sternocleidomastoids
3
Q
Depress the ribs
A
Internal intercostals
4
Q
Compressed abdominal contents and increases abdominal pressure
A
Abdominal muscles
5
Q
Elevated 1st and 2nd ribs
A
Scalenes
6
Q
Elevated ribs
A
External intercostals
7
Q
Main inspiratory muscle
A
Diaphragm
8
Q
Muscles used to force exhalation
A
Abdominal muscles & internal intercostals