Deep Neck

Question 1

Suprahyoid muscles

Answer 1

Mylohyoid
Geniohyoid
Digastrics

Question 2

Infrahyoid muscles

Answer 2

Sternohyoid
Omohyoid
Sternothyroid
Thyrohyoid

Question 3

Mylohyoid nerve supply and action

Answer 3

Nerve to mylohyoid from inferior alvolar nerve (trigeminal)

Elevates hyoid and tongue

Question 4

Geniohyoid nerve supply and action

Answer 4

C1 via hypoglossal nerve

Shortens mouth floor

Question 5

Digastrics nerve supply and action

Answer 5

anterior portion=mandibular division of trigeminal
posterior portion=facial nerve
Both depress mandible, steady hyoid

Question 6

Sternohyoid and omohyoid

Answer 6

Ansa cervicalis

Depress and steady hyoid

Question 7

Sternothyroid

Answer 7

Ansa cervicalis

Depress hyoid and larynx

Question 8

Thyrohyoid

Answer 8

C1 via the hypoglossal nerve

Depress hyoid and elevate larynx

Question 9

Landmark for hypoglossal nerve

Answer 9

superior root of ansa cervicalis

Question 10

What muscles originate on body of hyoid?

Answer 10

Genioglossus, Mylohyoid, Sternohyoid, Omohyoid

Question 11

What muscles insert on Greater horn of hyoid?

Answer 11

Middle pharyngeal constrictor, Hyloglossus, Stylohyoid

Question 12

Where does thyrohyoid originate?

Answer 12

part where body of hyoid connects to greater horn of hyoid

Question 13

Larynx muscles innervation?

Answer 13

Internal branch of laryngeal nerve

Question 14

Anterior vertebral muscles

Answer 14

Longus colli
Rectus capitis anterior
anterior scalene

Question 15

Lateral Vertebral Muscles

Answer 15

Rectus capitis Lateralis
Splenius capitis
Levator scapulae
Middle and posterior scalene

Question 16

Function of longus colli

Answer 16

Flexes neck, rotate head opposite unilaterally

Question 17

Function of longus capitis, Rectus capitis anterior and anterior scalene

Answer 17

Flexes neck

Question 18

Function of rectus capitis lateralis

Answer 18

Flexes and stabalizes head

Question 19

Splenius capitis function

Answer 19

Laterally flexes and rotates head to same side, bilaterally extends head

Question 20

Levator scapulae function

Answer 20

Elevate scapula and tilt glenoid cavity inferiorly

Question 21

Middle and posterior scalene function

Answer 21

Flex neck laterally, elevate 2nd rib during

Question 22

1st part of subclavian artery and its relation to anterior scalene

Answer 22

medial to anterior scalene: vertebral a, internal thoracic a, & thyrocervical trunk

Question 23

2nd part of subclavian and relation to anterior scalene

Answer 23

Behind anterior scalene, costocervical trunk

Question 24

3rd part of subclavian and relation to anterior scalene

Answer 24

from anterior scalene up to 1st rib

Dorsal scapular