Q. Regarding the phrenic nerves, all of the following are true, EXCEPT: (Solved)
1. each nerve provides motor supply to own half of diaphragm, left phrenic also supply half of right crus
2. the phrenic nerve is supplied by its own pericardiophrenic artery which accompanies it
3. the right phrenic nerve is in contact with venous structures throughout its course
4. the left phrenic nerve passes to the inferior surface of diaphragm through muscle
5. arising mainly from C4 in the neck, the nerve passes behind the anterior scalene
- e. arising mainly from C4 in the neck, the nerve passes behind the anterior scalene