Brachial And cervical plexus

Question 1

How doe spinal nerves leave the spinal cord

Answer 1

Via the intervertebral foramen

Question 2

What are the trunks of the brancia, plexus

Answer 2

Superior c5,6
Middle c7
Inferior c8 and t1

Question 3

What are the branches of the plexus

Answer 3

Musculotaneous 
Axillary 
Median 
Radial 
Ulnar

Question 4

What sit he cervical Lexus

Answer 4

Network of nerve fibres in posterior triangle in prevertebral layer C1,2,3,4

Question 5

What si the phrenic nerve

Answer 5

C3,4,5

Sensory and motor to diaphragm

Question 6

What does c1 do

Answer 6

Motor nerves to genio hyoid and thyrohyoid

Question 7

What does c1-3 make up

Answer 7

Ansa cervicalis

Question 8

What a re the sensory branches of the cervical plexus

Answer 8

Lesser occipital c2
Transverse cervical c2,3
Greater auricular c2,3
Supraclavicular c3,4

Question 9

What does the greater auricular nerve supply

Answer 9

Sensation to external ear and skin over parotid gland

Question 10

What forms the axillary sinus

Answer 10

Combined anterior rami of c5,6,7,8 and t1