pathophys Flashcards
1
Q
what is the main tirgger of breathing
A
co2
2
Q
how does inspiration occur
A
diaphragm contract and intercostal muscles contract increasing the space in the thoraz
pressure in lungs because more postive and goes below atmospheric pressure so air rsuhes in
3
Q
which muscle normally does the work for bretahing at rest
A
diapharagm
4
Q
which muscles are assecssosry
A
chest wall muscles (intercostals)
SCM
scalene(neck)
5
Q
inspiration is active, expiration is passive
A