Exam 3 Action And Innerv

Question 1

Posterior cricoarytenoid
Action
Nerve

Answer 1

Abducts vocal folds

Recurrent laryngeal nerve, cn X

Question 2

Transverse arytenoid
Action
Nerve

Answer 2

Adducts vocal folds

Recurrent laryngeal nerve, CN X

Question 3

Oblique arytenoid
Action
Nerve

Answer 3

Adducts vocal folds

Recurrent laryngeal nerve, CN X

Question 4

Lateral cricoarytenoid
Action
Nerve

Answer 4

Adducts vocal folds

Recurrent laryngeal nerve, CN X

Question 5

Thyroarytenoid
Action
Nerve

Answer 5

Relaxes vocal ligament

Recurrent laryngeal nerve, CN X

Question 6

Vocalis
Action
Nerve

Answer 6

Relaxes posterior vocal ligament

Recurrent laryngeal nerve, CN X

Question 7

Cricothyroid
Action
Nerve

Answer 7

Tenses vocal ligament

External laryngeal nerve, CN X

Question 8

Mylohyoid
Action
Nerve

Answer 8

Elevates hyoid

Trigeminal, V3

Question 9

Tensor tympani
Action
Nerve

Answer 9

Tenses tympanic membrane, dampens noises of chewing

Trigeminal, V3

Question 10

Stapedius
Action
Nerve

Answer 10

Stabilizes stapes, reduces amplitude of sound waves transmitted to inner ear
CN VII

Question 11

Tensor veli palatini
Action
Nerve

Answer 11

Tenses soft palate

Trigeminal V3

Question 12

Levator veli palatini
Action
Nerve

Answer 12

Elevates soft palate

Cn X

Question 13

Palatoglossus
Action
Nerve

Answer 13

Elevates posterior part of tongue

CN X

Question 14

Palatopharyngeus
Action
Nerve

Answer 14

Elevates soft palate and pharynx

CN X

Question 15

Stylopharyngeus
Action
Nerve

Answer 15

Elevates pharynx

CN IX

Question 16

Pharyngeal constrictor muscles
Action
Nerve

Answer 16

Constricts walls of pharynx during swallowing

CN X

Question 17

Genioglossus
Action
Nerve

Answer 17

Protrudes tongue and depresses central part of tongue

CN XII

Question 18

Hyoglossus
Action
Nerve

Answer 18

Depresses tongue

CN XII

Question 19

Styloglossus
Action
Nerve

Answer 19

Elevates and retracts tongue

CN XII

Question 20

Palatoglossus
Action
Nerve

Answer 20

Elevates posterior part of tongue

CN X

Question 21

Ciliary muscle
Action
Nerve

Answer 21

Pupillary accommodation

PNS, CN III

Question 22

Sphincter pupillae
Action
Nerve

Answer 22

Constricts pupil

PNS CN III

Question 23

Dilator pupillae
Action
Nerve

Answer 23

Dilates pupil

Sns

Question 24

Superior tarsal muscle
Action
Nerve

Answer 24

Elevates superior eyelid

SNS

Question 25

Levator palpebrae superioris Action Nerve

Answer 25

Elevates superior eyelid | CN III

Question 26

Lateral rectus Action Nerve

Answer 26

Abducts eye | CN VI

Question 27

Medial rectus Action Nerve

Answer 27

Adducts eye | CN III

Question 28

Superior rectus Action Nerve

Answer 28

Elevates, adducts, and medially rotates eye | CN III

Question 29

Inferior rectus Action Nerve

Answer 29

Depresses, adducts, and laterally rotates eye | CN III

Question 30

Inferior oblique Action Nerve

Answer 30

Depresses, adducts, and laterally rotates eye | CN III

Question 31

Inferior oblique Action Nerve

Answer 31

Elevates, abducts, and laterally rotates eye | CN III

Question 32

Superior oblique Action Nerve

Answer 32

Depresses, abducts, and medially rotates eye | CN IV

Question 33

Medial rotation= ___ = ___

Answer 33

Intorsion, internal rotation

Question 34

Lateral rotation= ___= __

Answer 34

Extorsion, external rotation