Cervical plexus

Question 0

Great auricular

Answer 0

Superficial (sensory)
O:C2-C3
Distribution: Skin anterior, inferior and over ear and over parotid glands

Question 1

Lesser occipital

Answer 1

Superficial (sensory)
O: C2
Distribution: skin of scalp, posterior and superior to ear

Question 2

Transverse cervical

Answer 2

Superficial (sensory)
O: C2-C3
Distribution: skin over anterior aspect of neck

Question 3

Supraclavicular

Answer 3

Superficial sensory
O: C3-C4
Skin over superior portion of chest and shoulder

Question 4

Ansa cervicalis sup root

Answer 4

Deep (mostly Motor) Branches
O: C1
Distribution: Infrahyoid and genihyoid muscles of neck
Infrahyoid muscles: TOSS Thyrohyoid, Omohyoid, Stenothyoid, Sternohyoid

Question 5

Ansa cervicalis inferior root

Answer 5

Deep (mostly motor) branches
C2-C3
Distribution Infrahyoid muscles of neck (TOSS: Thyrohyoid, Omohyoid, Sternothyroid, Sternohyoid)

Question 6

Phrenic

Answer 6

Deep (mostly motor) branches
C3-C5
Diaphragm

Question 7

Segmental branches

Answer 7

Deep (mostly Motor) Branches
C1-C5
Distribution: Prevertebral (deep) muscles of neck, levator scapulae, and middle scalene

Question 8

C2 superficial

Answer 8

Lesser occipital

Question 9

anterior, inferior and over ear and over parotid glands

Answer 9

Great auricular C2-C3 superficial

Question 10

over anterior aspect of neck

Answer 10

Transverse cervical C2-C3 superficial

Question 11

Infrahyoid and genihyoid

Answer 11

Ansa cervicalis sup root C1 deep

Question 12

Infrahyoid muscles of neck

Answer 12

Ansa cervicalis inferior root C2-C3 deep

Question 13

Diaphragm

Answer 13

Phrenic C3-C5 deep

Question 14

Prevertebral muscles, lav scap, mid scalene

Answer 14

Segmental branches C1-C5