chapter 4 muscles exam 2 part 2

Question 1

muscles separated in the midline of the tongue by the what

Answer 1

median septum which corresponds with the median lingual sulcus

Question 2

located entirely inside the tongue

Answer 2

intrinsic tongue muscles

Question 3

what are the intrinsic tongue muscles

Answer 3

superior longitudinal
inferior longitudinal
transverse
vertical

Question 4

what are all the intrinsic muscles of the tongue innervated by?

Answer 4

hypoglossal nerve CN XII

Question 5

longitudinal muscles do what

Answer 5

run base to apex and works to shorten and thicken the tongue

Question 6

transverse muscle does what

Answer 6

runs ventral surface to median septum

Question 7

vertical muscle does what

Answer 7

runs from dorsal to ventral surface

Question 8

what 2 muscles of the tongue work together to lengthen and narrow the tongue

Answer 8

vertical and transverse intrinsic tongue muscles

Question 9

extrinsic muscles of tongue all originate outside the tongue and insert

Answer 9

inside the tongue

Question 10

all the extrinsic tongue muscles all end in

Answer 10

glossus

Question 11

what are all the extrinsic tongue muscles innervated by

Answer 11

hypoglossal nerve CNVII except palatoglossus which is innervated by the vagus nerve CN X

Question 12

genioglossus OIA

Answer 12

origin: genial tubercles of mandible
insertion: hyoid bone and tongue
action: protrudes tongue and depresses parts

Question 13

styloglossus OI

Answer 13

origin: styloid process of temporal bone
insertion: tongue

Question 14

action of styloglossus

Answer 14

retracts tongue

Question 15

hyoglossus OI

Answer 15

origin: greater cornu and body of hyoid
insertion: tongue

Question 16

action of hyoglossus

Answer 16

depresses tongue

Question 17

palatoglossus forms the what

Answer 17

anterior faucial pillar

Question 18

palatoglossus OI

Answer 18

origin: median palatine raphe
insertion: lateral surface of tongue

Question 19

action of palatoglossus

Answer 19

elevates and arches tongue to soft palate, depressing soft palate toward tongue; forming sphincter, separating oral cavity from pharynx

Question 20

tongue deviates toward

Answer 20

hypoglossal nerve lesion; muscles weak on the side of the lesion, overpowered by normal muscles

Question 21

muscles of the pharynx are involved with

Answer 21

speaking, swallowing, and middle ear function

Question 22

the pharynx includes the

Answer 22

nasopharynx, oropharynx, laryngopharynx

Question 23

the stylopharyngeus muscle

Answer 23

elevates and widens pharynx

Question 24

(muscle of the pharynx) stylopharyngeus innervated by

Answer 24

glossopharyngeal nerve cnIX

Question 25

pharyngeal constrictors innervated by

Answer 25

pharyngeal plexus from the vagus nerve CN X

Question 26

action of constrictor muscles

Answer 26

deliver food bolus to esophagus

Question 27

superior constrictor origin:

Answer 27

pterygoid hamulus, mandible, and pterygomandibular raphe

Question 28

where do all 3 constrictor muscles insert into

Answer 28

median pharyngeal raphe

Question 29

what do muscles of the soft palate form

Answer 29

palate posterior to the bony portion

Question 30

what are the muscles of the soft palate important for

Answer 30

speech and swallowing

Question 31

innervation of all soft palate muscles except tensor veli palatini

Answer 31

pharyngeal plexus of vagus nerve CN X

Question 32

tensor veli palatini is innervated by

Answer 32

mandibular nerve of trigeminal nerve cnv3

Question 33

palatoglossus muscle is apart of what 2 muscle groups

Answer 33

muscles of the tongue and soft palate

Question 34

palatopharyngeus forms what

Answer 34

posterior faucial pillars

Question 35

palatopharyngeus OI

Answer 35

origin: soft palate insertion: laryngopharynx and thyroid cartilage

Question 36

palatopharyngeus action

Answer 36

closes nasopharynx during swallowing

Question 37

uvula muscle is contained

Answer 37

completely within uvula

Question 38

what does the uvula muscle do

Answer 38

helps to seal palate

Question 39

uvula deviates

Answer 39

away from the vagus nerve lesion

Question 40

uvula: tongue:

Answer 40

away | towards

Question 41

levator veli palatini OIA

Answer 41

origin: temporal bone insertion: median palatine raphe action: elevates soft palate to help close off oropharynx

Question 42

tensor veli palatini OIA

Answer 42

origin: auditory tube and sphenoid bone to tendon near pterygoid hamulus insertion: tendon near pterygoid hamulus to median palatine raphe action: tenses and slightly lowers soft palate

Question 43

tissue projection that hangs inferiorly from posterior soft palate in uvula

Answer 43

muscle of the uvula

Question 44

soft palate closely adapts to posterior pharyngeal wall to help close off nasopharynx

Answer 44

action of muscles of uvula