Neck Fascial Spaces

Question 1

pharynx changes to esophagus
larynx changes to trachea here

Answer 1

C6

Question 2

voicebox and middle cervical ganglion are at this level and behind this structure

Answer 2

C6
cricoid cartilage

Question 3

where an emergency tracheotomy takes place

Answer 3

cricothyroid ligament

Question 4

long term tracheotomy or tracheostomy takes place here

Answer 4

between the 3rd and 4th tracheal rings

Question 5

this muscle projects medial to lateral

Answer 5

platysma

Question 6

this muscle projects lateral to medial

Answer 6

sternocleidomastoid

Question 7

in between platysma muscle and sternocleidomastoid

Answer 7

external jugular vein

Question 8

4 cutaneous nerves of cervical plexus in the superficial fascia

Answer 8

lesser occipital n
great auricular n
transverse cervical n
supraclavicular n

Question 9

cutaneous nerve that provides sensory to back of head

Answer 9

lesser occipital n

Question 10

cutaneous nerve that provides sensory to front of ear

Answer 10

great auricular n

Question 11

cutaneous nerve that provides sensory to front of neck

Answer 11

transverse cervical n

Question 12

cutaneous nerve that provides sensory to area around clavicle

Answer 12

supraclavicular n

Question 13

posterior lamina of pretracheal fascia is also known as

Answer 13

buccopharyngeal fascia

Question 14

space between the two layers of prevertebral fascia and infection here can spread to coccyx

Answer 14

danger zone

Question 15

motor innervation to posterior triange

Answer 15

CN XI (Accessory nerve)

Question 16

sensory innervation to posterior triangle

Answer 16

C2 (cervical vertebrae 2)

Question 17

shortening of sternocleidomastoid m. on one side

Answer 17

torticollis/wry neck

Question 18

prevertebral muscles of posterior triangle

Answer 18

splenius capitis
levator scapulae
posterior scalene
middle scalene
anterior scalene

Question 19

nerve on the anterior side of anterior scalene

Answer 19

phrenic n.

Question 20

4 branches of subclavian a in posterior triangle

Answer 20

vertebral a
internal thoracic a
costocervical trunk
thyrocervical trunk

Question 20

what nerve and its branches reside in carotid triangle

Answer 20

CN X (vagus)

Question 20

2 arteries of posterior triangle that run horizontal and anterior to phrenic n and brachial plexus from superior to inferior

Answer 20

transverse cervical a
suprascapular a

Question 20

3 lateral nerves of posterior triangle from superior to inferior

Answer 20

spinal accessory n
dorsal scapular n
long thoracic n

Question 20

4 branches of thyrocervical trunk

Answer 20

inferior thyroid a
ascending cervical a
transverse cervical a
suprascapular a

Question 20

branches of external carotid a (look at slide 50 for placement)

Answer 20

Superior thyroid a Ascending pharyngeal a Lingual Occipital Facial Posterior auricular Maxillary Superficial temporal

Question 20

other 3 nerves in carotid triangle

Answer 20

vagus glossopharyngeal cardiac nerves (off the cervical ganglion)

Question 20

contents of carotid triangle

Answer 20

deep cervical lymph nodes internal jugular vein vagus nerve common carotid a into internal and external

Question 20

motor to thryopharyngeus and cricothyroid

Answer 20

external laryngeal n

Question 20

branches of vagus nerve from superior to inferior

Answer 20

pharyngeal branch superior laryngeal internal laryngeal external laryngeal recurrent laryngeal

Question 20

motor to cricopharyngeus

Answer 20

recurrent laryngeal n

Question 20

sensory for the carotid reflex

Answer 20

CN IX

Question 20

motor for carotid reflex

Answer 20

CN X

Question 20

sensory branches of carotid triangle

Answer 20

cutaneous branches

Question 20

motor branches of carotid triangle

Answer 20

CN XII nerve to geniohyoid m nerve to thryohyoid m ansa cervicalis

Question 20

what two nerves share a dorsal root ganglia

Answer 20

supraclavicular and phrenic

Question 20

3 muscles the ansa cervicalis supplies

Answer 20

omohyoid sternohyoid sternothyroid

Question 21

root of ansa cervicalis that is more medial

Answer 21

superior root

Question 22

lacerating superior thyroid a can cause what

Answer 22

deep voice because also cut external laryngeal n

Question 23

only tensor to vocal ligaments

Answer 23

external laryngeal n

Question 24

infrahyoid/"strap" muscles of muscular triangle

Answer 24

omohyoid sternohyoid sternothyroid thryohyoid

Question 25

remnant of thyroglossal duct

Answer 25

pyramidal lobe

Question 26

if the duct maintains connection with foramen cecum, food gets trapped here and causes mid-line swelling

Answer 26

thyroglossal duct cyst

Question 27

enlargement of thyroid gland b/c too much TSH

Answer 27

goiter

Question 28

thyroid gland arterial blood supply

Answer 28

superior thyroid a inferior thyroid a thyroid ima a

Question 29

thyroid gland venous blood supply

Answer 29

superior thyroid v middle thyroid v inferior thyroid v

Question 30

when removing thryoid gland, you must keep 1 or 2 of what

Answer 30

parathyroid glands

Question 31

relationship of stylohyoid m and posterior belly of digastric

Answer 31

stylohyoid m is more medial

Question 32

submandibular triangle contains what muscles

Answer 32

suprahyoid (elevaste hyoid bone)

Question 33

5 suprahyoid muscles of muscular triangle

Answer 33

stylohyoid posterior belly of digastric anterior belly of digastric mylohyoid geniohyoid

Question 34

innervates stylohyoid and posterior belly of digastric

Answer 34

CN VII

Question 35

innervates anterior branch of digastric and mylohyoid

Answer 35

nerve to mylohyoid (branch of CN V3)

Question 36

sympathetics distributed from superior cervical ganglion to

Answer 36

external or internal carotid a

Question 37

sympathetics distributed from middle cervical ganglion to

Answer 37

inferior thyroid a

Question 38

sympathetics distributed from inferior cervical ganglion to

Answer 38

subclavian a

Question 39

zone of neck that is from clavical/sternal notch to cricoid cartilage

Answer 39

zone 1

Question 40

zone of neck that is from cricoid cartilage to angle of mandible

Answer 40

zone 2

Question 41

zone of neck that is from angle of mandible to base of temporal bone

Answer 41

zone 3