Triangles of Neck

Question 1

Innervation of SCM

Answer 1

CN XI for motor

C2 and 3 for sensory

Question 2

att to first two ribs

Answer 2

scalenes

Question 3

funx of scalenes

Answer 3

Bilateral- assist in neck flexion and raise first 2 ribs

Question 4

innervation of Scalenes

Answer 4

ventral rami of cervicle nerves

Question 5

Suprahyroid muscles

Answer 5

mylohyoid
digastric
stylohyoid
geniohyoid

Question 6

Infrahyoid muscle

Answer 6

thyrohyoid
sternothyroid
sternohyoid
omohyoid

Question 7

neck layers are compartmentalized by what two layers

Answer 7

cervicle fascia: deep and superficial

Question 8

Where does the superficial cervicle fascia layer lie?

Answer 8

btwn dermis of skin and investing layer of deep cervicle fascia

Question 9

Where does the playtsma muscle lay?

Answer 9

superficial layer of superficial cervicle fascia

Question 10

What are the three layers of the deep superficial fascia?

Answer 10

superficial (investing)
Pretracheal
Prevertebral

Question 11

What layer invests the trapezius and SCM?

Answer 11

The superficial part of the Deep cervicle fascia

Question 12

Where is the pretracheal layer of deep cervicle fascia limited to?

Answer 12

Anterior part of neck

Question 13

What are the two divisions of the pretracheal layer?

Answer 13

Visceral and musclular

Question 14

What does the muscular layer of the pretracheal layer contain?

Answer 14

infrahyoid muscles

Question 15

What does the visceral layer of the pretracheal layer contain?

Answer 15

thyroid gland trachea and esophagus

Question 16

What layer is the visceral layer of pretracheal fascia continuous with

Answer 16

buccopharyngeal

Question 17

thin, posterior lamina of the pretracheal fascia, seperates eso from prevertebral fascia

Answer 17

buccopharyngeal fascia

Question 18

What nerve lies btween visceral and pretracheal fascia?

Answer 18

recurrent laryngeal

Question 19

What contributes to the posterior portion of the carotid sheath

Answer 19

prevertebral fascia

Question 20

What is the anterior lamina called?

Answer 20

alar while the other part continues as the pervertebral fascia

Question 21

Contents of carotid sheath

Answer 21

Common and internal carotid arteries
the IJV
The vagus nerve

Question 22

What makes up the carotid sheath

Answer 22

fascial sheath blends anteriorly with investing and pretracheal layers of fascia and posterioly with prevertebral layer of deep cervicle fascia

Question 23

What blends with the percardium on the heart?

Answer 23

pretracheal fascia

Question 24

Where does alar and buccopharyngeal fuse and come to a stop?

Answer 24

T1/T2

Question 25

Once we break through this space we get infection in mediatrium and thorax

Answer 25

retropharngeal

Question 26

Anterior boundary of retropharyngeal space

Answer 26

buccopharyneal fascia

Question 27

posterior boundary of retropharnyngeal space

Answer 27

alar or prevertebral fascia

Question 28

Lateral boundry of retropharyneal space

Answer 28

carotid sheath

Question 29

Superior boundary of retropharyngeal space

Answer 29

base of skull

Question 30

Inferior boundary of retropharyngeal space

Answer 30

T1/T2

Question 31

Where is highest morality rate as far as roots of neck

Answer 31

Root 1

Question 32

What contains: splenius cap, levator scap, middle scalene, poster scalene and spinal accessory nerve, supraclavicular nerve, transvercervical artery/vein

Answer 32

Occipital triangle : posterier triangle

Question 33

Contains: subclavian artery, subclavian vein, brachial plexus

Answer 33

Omoclavicular triangle: posterior triangle

Question 34

What node drains teh ears and parotid region on face?

Answer 34

Superficial cervicle lymph

Question 35

What drains the occipital and parital regions

Answer 35

superficial lymph nodes

Question 36

what nodes drain the posterior scalp and neck

Answer 36

occipital nodes

Question 37

drains the deep 2/3s of neck and head: includes the facial, lingual, retrophranygeal, preauricular, submandibular and submental nodes

Answer 37

Deep group of nodes

Question 38

drains lower face, gingivae, teeth, tongue then to deep cervicle

Answer 38

submandibular

Question 39

drain lower lip, chin, floor of mouth, tip of tongue, lower incisor teeth

Answer 39

submental

Question 40

which nodes eventually recieve all lymp from head and neck?

Answer 40

Deep cervicle nodes

Question 41

Contains: trachea, great vessels, esophagus, upper mediastium, lung apices, thoracic duct

Answer 41

zone 1

Question 42

Carotid and vertebral arteries, jugular veins, pharnyx, larnyx, eso and trachea

Answer 42

zone 2

Question 43

distal to extracranial carotid asa well as segments of jugular veins

Answer 43

zone 3

Question 44

most danerous zone

Answer 44

1

Question 45

cancers from thryoid or upper eso end up

Answer 45

omoclavicular triangle