Q. Regarding the diaphragm: (Solved)
1. it is active in both inspiration and expiration
2. the aorta is transmitted through an opening in the left crus
3. the left dome may ascend to the 5th intercostal space
4. the phrenic nerve branches run medially on its thoracic surface
5. it receives its blood supply entirely from lower intercostal and subcostal arteries
- c. the left dome may ascend to the 5th intercostal space