Anterior Neck, Neck Triangles, and its contents

Question 1

where in relation to the subclavian vein is the phrenic nerve

Answer 1

lateral

Question 2

where in relation to the subclavian vein is the vagus nerve

Answer 2

medial

Question 3

what cranial nerve is the vagus

Answer 3

cranial nerve 10

Question 4

what cranial nerve is the spinal accessory nerve

Answer 4

cranial nerve 11

Question 5

what 2 muscles connect to the mastoid process

Answer 5

longissimus capitis
sternocleidomastoid

Question 6

what is the adam’s apple

Answer 6

thyroid cartilage

Question 7

what are the 2 heads of the sternocleidomastoid

Answer 7

sternal and clavicular

Question 8

what are the 3 regions of the neck

Answer 8

anterior cervical triangle
lateral cervical triangle
posterior cervical triangle

Question 9

what is torticollis

Answer 9

“wryneck”
shortening of the SCM
ipsilateral side bend with a contralateral head rotation up

Question 10

what nerve innervates the platysma

Answer 10

facial nerve

Question 11

what cranial nerve is the facial nerve

Answer 11

cranial nerve 7

Question 12

what are the 4 suprahyoids

Answer 12

mylohyoid
stylohyoid
geniohyoid
digastric

Question 13

what are the 4 infrahyoids

Answer 13

thryohyoid
sternothyroid
omohyoid (superior and inferior)
sternohyoid

Question 14

facial sling

Answer 14

turns the omohyoid 90* and divides it into superior and inferior regions

Question 15

what are the 4 parts of the anterior cervical triangle

Answer 15

submandibular
submental
carotid
muscular

Question 16

contents of the carotid triangle

Answer 16

carotid artery
internal jugular vein

Question 17

what are the 2 carotid bifurcation receptors

Answer 17

carotid body
carotid sinus

Question 18

what does the carotid sinus do

Answer 18

it is a baroreceptor: senses pressure in the artery

Question 19

what does the carotid body do

Answer 19

it is a chemoreceptor: senses neurotransmitter/hormones in artery

Question 20

ansa cervicalis and what does it innervate

Answer 20

c1-5
most innervate the hyoid muscles

Question 21

what cervical level is the hyoid at

Answer 21

C3/4

Question 22

what cervical level does bifurcation occur at

Answer 22

C4

Question 23

what cervical level is the thyroid cartilage located

Answer 23

C5/6

Question 24

what are the 3 parts of the subclavian artery and what divides it

Answer 24

medial, posterior, lateral
anterior scalene

Question 25

what are the 4 arteries in the lateral cervical triangle

Answer 25

common carotid vertebral subclavian brachiocephalic trunk

Question 26

what are the 2 parts of the lateral cervical triangle

Answer 26

occipital triangle omoclavicular triangle

Question 27

what does a Q collar do

Answer 27

prevents concussions with compression to create backflow of the jugular vein

Question 28

what are the 4 parts of the posterior region of the neck

Answer 28

upper trap levator scap splenius cervicis omohyoid- inferior belly

Question 29

where does the omohyoid attach to

Answer 29

the scapula

Question 30

what 2 arteries does the brachiocephalic trunk split into

Answer 30

subclavian artery common carotid artery

Question 31

what is the parent structure of the common external carotid artery

Answer 31

common carotid artery

Question 32

what is the parent structure of the subclavian artery

Answer 32

brachiocephalic trunk

Question 33

what spinal levels does the phrenic nerve consist of

Answer 33

C3 C4 C5

Question 34

what nerve can get damaged with a clavicular fracture

Answer 34

suprascapular nerve

Question 35

where are neck vessels the biggest

Answer 35

at the root of the neck

Question 36

is vagus nerve motor or sensory

Answer 36

sensory

Question 37

cervical plexus is which rami

Answer 37

ventral/anterior rami

Question 38

palsy

Answer 38

spinal accessory nerve disfunction that causes traps and SCM to stop working

Question 39

how can palsy occur

Answer 39

trauma surgical mistake tumors jugular foramen fractures

Question 40

what movements are difficult in palsy and why

Answer 40

shoulder shrugging and upward scap rotation because traps and SCM are gone

Question 41

what 3 muscles make up the prevertebral neck

Answer 41

rectus capitis anterior longus capitis longus colli

Question 42

what muscles of the prevertebral neck help the OA joint in head flexion

Answer 42

rectus capitis anterior longus capitis