Neck

Question 1

platysma origin and insertion

Answer 1

inferior mandible border skin and subcutaneous tissue of the face

pectoralis major and deltoid fascia

Question 2

platysma innervation and blood supply

Answer 2

cervical branch of facial nerve CN VII

facial artery adn submental artery

Question 3

platysma function

Answer 3

depress mandible and lower facial skin

elevate neck skin when the mouth is closed

Question 4

sternocleidomastoid origin and insertion

Answer 4

manubrium and proximal clavicle

mastoid process and superior nuchal line

Question 5

sternocleidomastoid innervation and blood supply

Answer 5

spinal accessor nerve CN XI

occipital and superior thyroid arteries

Question 6

sternocleidomastoid function

Answer 6

ipsilateral SB
contralateral RT
FLX
ELE thorax and shoulder

Question 7

stylohyoid origin and insertion

Answer 7

styloid process

hyoid body

Question 8

stylohyoid innervation and blood supply

Answer 8

facial nerve CN VII

superior thyroid artery and lingual artery

Question 9

stylohyoid function

Answer 9

hyoid elevation

Question 10

digastric origin and insertion

Answer 10

posterior belly: mastoid notch
anterior belly: inferior border of mandible closing to the symphysis
common tendon on hyoid body

Question 11

digastric posterior body innervation and blood supply

Answer 11

posterior belly: facial nerve CN VII

occipital artery

Question 12

digastric anterior belly innervation and blood supply

Answer 12

mylohyoid branch of trigeminal nerve CN V

facial artery

Question 13

digastric function

Answer 13

hyoid elevation

retraction of mandible

Question 14

mylohyoid origin and insertion

Answer 14

mylohyoid line of mandible

hyoid body and medial raphe of bilateral mylohyoid

Question 15

mylohyoid innervation and blood supply

Answer 15

mylohyoid branch of trigeminal elevation

mandible depression and retraction

Question 16

geniohyoid origin and insertion

Answer 16

mandibular inferior mental spine

anterior hyoid body

Question 17

geniohyoid innervation

Answer 17

C! hiking through hypoglosseal nerve

Question 18

geniohyoid function

Answer 18

hyoid and floor of the mouth elevation

depression and retraction of mandible

Question 19

sternohyoid origin and insertion

Answer 19

posterior manubrium, clavicle, sternoclavicular ligament

inferior border of hyoid

Question 20

innervation and blood supply of sternohyoid

Answer 20

ansa cervicalis

superior thyroid artery

Question 21

sternohyoid function

Answer 21

hyoid and larynx depression

Question 22

sternothyroid origin and insertion

Answer 22

posterior surface of manubrium

oblique line of thyroid cartilage

Question 23

sternothyroid innervation and blood supply

Answer 23

ansa cervicalis

superior thyroid artery

Question 24

omohyoid origin and insertion

Answer 24

lower border of hyoid

suprascapular notch

Question 25

omohyoid innervation and blood supply

Answer 25

ansa cervicalis | lingual, superior cervical, infrahyoid artery

Question 26

thyrohyoid origin and insertion

Answer 26

oblique line of thyroid cartilage | lower body and greater horn of hyoid

Question 27

thyrohyoid innervation and blood supply

Answer 27

C1 hiking through hypoglossal nerve | superior thyroid artery

Question 28

thyrohyoid function

Answer 28

depression of hyoid and elevation of thyroid cartilage and larnyx

Question 29

anterior scalene origin and insertion

Answer 29

anterior tubercle of transverse process C3-C6 | scalene tubercle of 1st rib

Question 30

anterior scalene innervation and blood supply

Answer 30

ventral rami of C4-C6 | ascending cervival artery

Question 31

anterior scalene function

Answer 31

neck ipsilateral SB contralateral RT, FLX 1st rib elevation

Question 32

middle scalene origin and insertion

Answer 32

posterior tubercle of transverse process of C2-C7 | upper surface of rib 1

Question 33

middle scalene innervation and blood supply

Answer 33

ventral rami of spinal nerve C2-C8 | ascending cervical artery

Question 34

middle scalene funciton

Answer 34

neck ipsilateral SB | 1st rib elevation

Question 35

posterior scalene origin and insertion

Answer 35

posterior tubercle of transverse process C5-C7 | 2nd rib, occasionally with middle scalene

Question 36

posterior scalene innervation and blood supply

Answer 36

ventral rami of C6-C8 | ascending cervical artery

Question 37

posterior scalene function

Answer 37

neck ipsilateral SB | 2nd rib elevation