Cervical plexus

Question 1

what​ makes up the cervical plexus

Answer 1

ventral primary rami of C1-C4

Question 2

what do the rami of the cervical plexus receive​ from

Answer 2

These VPR all receive gray rami communicans from the superior cervical ganglion (S) and distribute sympathetic innervation through their branches.

Question 3

there are two sets of branches in the cervical plexus

Answer 3

Superficial
Deep

Question 4

superficial branches are what kind of branches

Answer 4

all branches are cutaneous

Question 5

Deep branches are what kind of branches

Answer 5

medial and lateral branches which are all muscular

Question 6

Superficial Branches name

Answer 6

Lesser occipital nerve
Great auricular nerve
Transverse cervical nerve
Supraclavicular nerves

Question 7

Lesser Occipital Nerve number

Answer 7

C2
made out of a loop of C2 and C3 but I mostly made up of

Question 8

Lesser Occipital Nerve what kind of nerve

Answer 8

cutaneous - superficial branch

Question 9

Lesser Occipital Nerve location

Answer 9

The lesser occipital nerve ascends along the posterior border of sternocleidomastoid

Question 10

lesser occipital nerve supplies what part of the skin

Answer 10

skin of the upper auricle (outer ear) and the lateral side of the head posterior to the auricle.

Question 11

Great Auricular Nerve segmental innervation

Answer 11

C2 and C3

Question 12

Great Auricular Nerve location

Answer 12

The great auricular nerve is a large nerve that wraps around the posterior border of sternocleidomastoid and ascends on that muscle with the external jugular vein.

Question 13

Great Auricular Nerve innervation

Answer 13

It supplies the skin over the parotid gland, mastoid process and posterior auricle.

Question 14

Transverse Cervical Nerve segmental

Answer 14

C2 and C3

Question 15

Transverse Cervical Nerve location

Answer 15

The transverse cervical nerve winds around the posterior border of sternocleidomastoid and runs anteriorly.

It divides into ascending and descending branches

Question 16

Transverse Cervical Nerve innervation

Answer 16

supply the skin of the anterolateral neck.

Question 17

Supraclavicular Nerves segmental

Answer 17

C3 and C4.

Question 18

Supraclavicular Nerves location

Answer 18

The supraclavicular nerve trunk emerges from beneath the posterior border of sternocleidomastoid

Divides into medial, intermediate and lateral branches.

Question 19

Supraclavicular Nerves innervation

Answer 19

They supply the skin of the anterior chest to the 2nd rib, and the upper and posterior shoulder.

Question 20

Deep Branches of the Cervical Plexus
include

Answer 20

1.) Medial series
Communicating branches to X and XII
Muscular branches to rectus capitis lateralis, rectus capitis anterior, longus capitis and longus colli
Inferior root of ansa cervicalis
Phrenic nerve

2) Lateral series
communicating branches to XI

Question 21

Communicating Branches to X & XII is in what series

Answer 21

medial

Question 22

Communicating Branches to X & XII segmental

Answer 22

C1 and C2

Question 23

Communicating Branches to X & XII pathway

Answer 23

The communicating branch to XII passes from the loop formed between C1 and C2. It travels with XII for a bit and then leaves it to divide into branches

Question 24

branches of Communicating Branches to X & XII

Answer 24

branches which include nerves to thyrohyoid and geniohyoid and the superior root of ansa cervicalis.

Question 25

communicating branch to X segmental

Answer 25

passes from the loop formed between C1 and C2.

Question 26

From the loop formed between C1 and C2, branches arise to supply what

Answer 26

rectus capitis lateralis , rectus capitis anterior and longus capitis.

Question 27

rectus capitis lateralis segmental

Answer 27

C1

Question 28

rectus capitis anterior segmental

Answer 28

C1, 2

Question 29

longus capitis segmental

Answer 29

C1 C2 C3

Question 30

branches arise directly from the C2, C3 and C4 VPR

Answer 30

longus capitis and longus colli .

Question 31

inferior root of ansa cervicalis segmental

Answer 31

C2 and a branch from C3

Question 32

what make the ansa cervicalis

Answer 32

inferior and superior root

Question 33

Ansa Cervicalis location

Answer 33

inferior root of ansa cervicalis - internal jugular vein, Superior root of ansa cervicalis = common carotid artery.

Question 34

what does the Ansa Cervicalis innervate

Answer 34

infrahyoid muscles except thyrohyoid

Question 35

infrahyoid muscles

Answer 35

Sternohyoid Omohyoid - superior and inferior bellies Thyrohyoid Sternothyroid

Question 36

phrenic nerve segmental

Answer 36

C3, C4 and C5 VPR major contribution is from C4

Question 37

phrenic nerve innervation

Answer 37

sole innervation to the diaphragm

Question 38

phrenic nerve location

Answer 38

phrenic nerve passes down on the anterior surface of scalenus anterior and enters the thorax

Question 39

what travels with the spinal accessory nerve (XI)

Answer 39

Branches from C2, C3 and C4 VPR pass laterally to travel with the Spinal Accessory Nerve (XI).

Question 40

Communicating Branches to XI is part of what series

Answer 40

Lateral Series

Question 41

Communicating Branches to XI innervate what

Answer 41

sternocleidomastoid , trapezius , levator scapulae and scalenus medius

Question 42

sternocleidomastoid segmental

Answer 42

C2,3

Question 43

trapezius segmental segmental

Answer 43

C3,4

Question 44

levator scapulae segmental

Answer 44

C3,4

Question 45

scalenus medius segmental

Answer 45

C3,4

Question 46

what will the the branches of the cervical dorsal primary rami supply

Answer 46

the deep posterior cervical muscles and the skin on the posterior head and neck.

Question 47

Suboccipital Nerve segmental

Answer 47

C1 Dorsal Primary Ramus

Question 48

Suboccipital Nerve location

Answer 48

It emerges superior to the posterior arch of the atlas and enters the suboccipital triangle

Question 49

Suboccipital Nerve - C1 is a VPR or DPR

Answer 49

DPR

Question 50

Suboccipital Nerve innervates what

Answer 50

It carries motor fibers to supply the four suboccipital muscles and also part of the semi-spinalis capitis.

Question 51

Suboccipital Triangle borders

Answer 51

Rectus capitis posterior major medially obliquus capitis inferior inferiorly the obliquus capitis superior laterally.

Question 52

what can be found in the Suboccipital Triangle

Answer 52

suboccipital nerve, vertebral artery and posterior arch of the atlas.

Question 53

C2 Dorsal Primary Ramus branches

Answer 53

medial and lateral branches

Question 54

medial branch of C2 DPR

Answer 54

greater occipital nerve

Question 55

greater occipital nerve comes from under where

Answer 55

emerges from under the obliquus capitis inferior

Question 56

greater occipital nerve innervates

Answer 56

semispinalis capitis, and ascends to supply the skin of the posterior scalp.

Question 57

C3 through C8 Dorsal Primary Rami

Answer 57

divide into medial and lateral branches which supply the skin of the posterior neck and deep muscles of the neck and upper back.