Pharynx, soft palate, neck

Question 1

Oropharynx-

Answer 1

Visible in back of mouth

Question 2

Pharyngopharynx-

Answer 2

Below(inferior to) oropharynx

Question 3

Pharynx functions

Answer 3

Respiratory-helps breathe
Digestive-mastication
Middle ear pressure

Question 4

Muscles of soft palate forms roof of..

Answer 4

The oropharynx and laterally with the tongue

Question 5

Soft palate muscle functions-

Answer 5

Speaking and swallowing

Question 6

Soft palate innervation-

Answer 6

Pharyngeal plexus,

CN- 9,10,11

Question 7

Palatoglossus muscle forms:

Answer 7

Palatoglossal arch

2 arches
*when someone says “ahh”

Question 8

Palatopharyngeus muscle action-

Answer 8

Palate moves posterioinferior and posterior pharyngeal wall anterosuperior.
*closes off the nasopharynx to the oral pharynx

Question 9

What closes the pharynx?

Answer 9

The palate

Question 10

Levetor veli palatini muscle location

Answer 10

Superior to soft palate

Question 11

Lavator veli palatini action-

Answer 11

Elevates the soft palate to contact posterior pharyngeal wall
*so we don’t have stuff go up nose

Question 12

Levetor veli palatini innervation-

Answer 12

Pharyngeal plexus

Question 13

Tensor veli palatini is active during:

Answer 13

All palatine movements

*busy muscle

Question 14

Tensor veli palatini actions:

Answer 14

Opens Eustachian tube, tenses and depresses soft palate

Question 15

Tensor veli palatini innervation

Answer 15

Tensor veli palatini nerve-branch of V3 mandibular division.

Question 16

Uvula
O:
I:

Answer 16

O: posterior margin of soft palate
I: counterpart of opposite side

Question 17

Uvula action

Answer 17

Shorten and broaden the uvula

Question 18

Uvula innervation

Answer 18

Pharyngeal plexus

Question 19

Nasopharynx-

Answer 19

Superior to soft palate

Question 20

Constrictor muscles insertions, actions, and innervations:
Superior-
Middle-
Inferior-

Answer 20

Insertion-median pharyngeal raphe
Action- elevate pharynx, larynx
Innervation- pharyngeal plexus

Question 21

Stylopharyngeus
O:
I:

Answer 21

O: styloid process
I: lateral and posterior pharyngeal walls

Question 22

Stylopharyngeus action

Answer 22

Widens and elevates pharynx

Question 23

Stylopharyngeus innervation

Answer 23

CN 9

Question 24

Hyoid muscles assist in…

Answer 24

Swallowing and mastication

Question 25

The suprahyoid (above hyoid) group contains what 4 muscles

Answer 25

Digastric, Mylohyoid, Geniohyoid, Stylohyoid *all same action: elevate hyoid and depress mandible

Question 26

``` Digastric muscle action- #1 of suprahyoids ```

Answer 26

Elevate hyoid/tarynx, depress mand *assist in swallowing

Question 27

Digastric innervation Anterior belly- Posterior belly-

Answer 27

Ant- V3 | Post- 7

Question 28

``` Mylohyoid forms: #2 of suprahyoids ```

Answer 28

The floor of the mouth

Question 29

Mylohyoid O: I:

Answer 29

O: mylohyoid ridge I: body of hyoid

Question 30

Mylohyoid action-

Answer 30

Elevate hyoid, depress mandible, elevate tongue, assist in swallowing

Question 31

Mylohyoid innervation

Answer 31

Mylohyoid nerve, V3

Question 32

Geniohyoid O: I: #3 of suprahyoids

Answer 32

O: genial tubercules I: body of hyoid

Question 33

Geniohyoid action

Answer 33

Elevate hyoid, depress mandible, assist in swallowing

Question 34

Geniohyoid innervation-

Answer 34

1st clavical nerve

Question 35

Stylohyoid- #4 suprahyoid O: I:

Answer 35

O: styloid process I: body of hyoid

Question 36

Stylohyoid action

Answer 36

Elevate hyoid, depress mandible, assist in swallowing

Question 37

Stylohyoid innervation

Answer 37

Stylohyoid nerve, CN 7

Question 38

Infrahyoid muscles contain what 4:

Answer 38

Sternothyroid, Sternohyoid, Omohyoid, Thyrohyoid *actions: bring down(depress)

Question 39

Sternothyroid muscle, sternohyoid muscle, omohyoid muscle, thyrohyoid muscle: Action- Innervation- *all same

Answer 39

Action- Depress hyoid cartilage | Innervation- 2nd and 3rd cervical nerves

Question 40

Sternohyoid Action- Innervation-

Answer 40

Action- depress hyoid | Innervation- 2nd and 3rd cervical nerve

Question 41

Sternocleidomastoid Origin- Insertion-

Answer 41

O: medial clavicle and superior and lateral sternum I: mastoid process of temporal bone *largest and most superficial muscles

Question 42

Sternocleidomastoid Action- Innervation-

Answer 42

A: moves head side to side | Innervation- 11

Question 43

Trapezius O: I:

Answer 43

O: occipital and posterior midline of cervical/thoracic spine I: lateral 1/3 of clavicle/scapula

Question 44

Trapezius action- Innervation:

Answer 44

A:Elevates scapula and clavicle *shrugs shoulders Innervation: 11