Anterior Neck, Neck Triangles, and its contents Flashcards

1
Q

where in relation to the subclavian vein is the phrenic nerve

A

lateral

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2
Q

where in relation to the subclavian vein is the vagus nerve

A

medial

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3
Q

what cranial nerve is the vagus

A

cranial nerve 10

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4
Q

what cranial nerve is the spinal accessory nerve

A

cranial nerve 11

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5
Q

what 2 muscles connect to the mastoid process

A

longissimus capitis
sternocleidomastoid

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6
Q

what is the adam’s apple

A

thyroid cartilage

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7
Q

what are the 2 heads of the sternocleidomastoid

A

sternal and clavicular

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8
Q

what are the 3 regions of the neck

A

anterior cervical triangle
lateral cervical triangle
posterior cervical triangle

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9
Q

what is torticollis

A

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

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10
Q

what nerve innervates the platysma

A

facial nerve

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11
Q

what cranial nerve is the facial nerve

A

cranial nerve 7

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12
Q

what are the 4 suprahyoids

A

mylohyoid
stylohyoid
geniohyoid
digastric

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13
Q

what are the 4 infrahyoids

A

thryohyoid
sternothyroid
omohyoid (superior and inferior)
sternohyoid

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14
Q

facial sling

A

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

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15
Q

what are the 4 parts of the anterior cervical triangle

A

submandibular
submental
carotid
muscular

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16
Q

contents of the carotid triangle

A

carotid artery
internal jugular vein

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17
Q

what are the 2 carotid bifurcation receptors

A

carotid body
carotid sinus

18
Q

what does the carotid sinus do

A

it is a baroreceptor: senses pressure in the artery

19
Q

what does the carotid body do

A

it is a chemoreceptor: senses neurotransmitter/hormones in artery

20
Q

ansa cervicalis and what does it innervate

A

c1-5
most innervate the hyoid muscles

21
Q

what cervical level is the hyoid at

A

C3/4

22
Q

what cervical level does bifurcation occur at

A

C4

23
Q

what cervical level is the thyroid cartilage located

A

C5/6

24
Q

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

A

medial, posterior, lateral
anterior scalene

25
Q

what are the 4 arteries in the lateral cervical triangle

A

common carotid
vertebral
subclavian
brachiocephalic trunk

26
Q

what are the 2 parts of the lateral cervical triangle

A

occipital triangle
omoclavicular triangle

27
Q

what does a Q collar do

A

prevents concussions with compression to create backflow of the jugular vein

28
Q

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

A

upper trap
levator scap
splenius cervicis
omohyoid- inferior belly

29
Q

where does the omohyoid attach to

A

the scapula

30
Q

what 2 arteries does the brachiocephalic trunk split into

A

subclavian artery
common carotid artery

31
Q

what is the parent structure of the common external carotid artery

A

common carotid artery

32
Q

what is the parent structure of the subclavian artery

A

brachiocephalic trunk

33
Q

what spinal levels does the phrenic nerve consist of

A

C3
C4
C5

34
Q

what nerve can get damaged with a clavicular fracture

A

suprascapular nerve

35
Q

where are neck vessels the biggest

A

at the root of the neck

36
Q

is vagus nerve motor or sensory

A

sensory

37
Q

cervical plexus is which rami

A

ventral/anterior rami

38
Q

palsy

A

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

39
Q

how can palsy occur

A

trauma
surgical mistake
tumors
jugular foramen fractures

40
Q

what movements are difficult in palsy and why

A

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

41
Q

what 3 muscles make up the prevertebral neck

A

rectus capitis anterior
longus capitis
longus colli

42
Q

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

A

rectus capitis anterior
longus capitis