Exam 3 Action And Innerv Flashcards

1
Q

Posterior cricoarytenoid
Action
Nerve

A

Abducts vocal folds

Recurrent laryngeal nerve, cn X

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2
Q

Transverse arytenoid
Action
Nerve

A

Adducts vocal folds

Recurrent laryngeal nerve, CN X

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3
Q

Oblique arytenoid
Action
Nerve

A

Adducts vocal folds

Recurrent laryngeal nerve, CN X

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4
Q

Lateral cricoarytenoid
Action
Nerve

A

Adducts vocal folds

Recurrent laryngeal nerve, CN X

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5
Q

Thyroarytenoid
Action
Nerve

A

Relaxes vocal ligament

Recurrent laryngeal nerve, CN X

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6
Q

Vocalis
Action
Nerve

A

Relaxes posterior vocal ligament

Recurrent laryngeal nerve, CN X

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7
Q

Cricothyroid
Action
Nerve

A

Tenses vocal ligament

External laryngeal nerve, CN X

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8
Q

Mylohyoid
Action
Nerve

A

Elevates hyoid

Trigeminal, V3

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9
Q

Tensor tympani
Action
Nerve

A

Tenses tympanic membrane, dampens noises of chewing

Trigeminal, V3

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10
Q

Stapedius
Action
Nerve

A

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

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11
Q

Tensor veli palatini
Action
Nerve

A

Tenses soft palate

Trigeminal V3

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12
Q

Levator veli palatini
Action
Nerve

A

Elevates soft palate

Cn X

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13
Q

Palatoglossus
Action
Nerve

A

Elevates posterior part of tongue

CN X

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14
Q

Palatopharyngeus
Action
Nerve

A

Elevates soft palate and pharynx

CN X

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15
Q

Stylopharyngeus
Action
Nerve

A

Elevates pharynx

CN IX

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16
Q

Pharyngeal constrictor muscles
Action
Nerve

A

Constricts walls of pharynx during swallowing

CN X

17
Q

Genioglossus
Action
Nerve

A

Protrudes tongue and depresses central part of tongue

CN XII

18
Q

Hyoglossus
Action
Nerve

A

Depresses tongue

CN XII

19
Q

Styloglossus
Action
Nerve

A

Elevates and retracts tongue

CN XII

20
Q

Palatoglossus
Action
Nerve

A

Elevates posterior part of tongue

CN X

21
Q

Ciliary muscle
Action
Nerve

A

Pupillary accommodation

PNS, CN III

22
Q

Sphincter pupillae
Action
Nerve

A

Constricts pupil

PNS CN III

23
Q

Dilator pupillae
Action
Nerve

A

Dilates pupil

Sns

24
Q

Superior tarsal muscle
Action
Nerve

A

Elevates superior eyelid

SNS

25
Q

Levator palpebrae superioris
Action
Nerve

A

Elevates superior eyelid

CN III

26
Q

Lateral rectus
Action
Nerve

A

Abducts eye

CN VI

27
Q

Medial rectus
Action
Nerve

A

Adducts eye

CN III

28
Q

Superior rectus
Action
Nerve

A

Elevates, adducts, and medially rotates eye

CN III

29
Q

Inferior rectus
Action
Nerve

A

Depresses, adducts, and laterally rotates eye

CN III

30
Q

Inferior oblique
Action
Nerve

A

Depresses, adducts, and laterally rotates eye

CN III

31
Q

Inferior oblique
Action
Nerve

A

Elevates, abducts, and laterally rotates eye

CN III

32
Q

Superior oblique
Action
Nerve

A

Depresses, abducts, and medially rotates eye

CN IV

33
Q

Medial rotation= ___ = ___

A

Intorsion, internal rotation

34
Q

Lateral rotation= ___= __

A

Extorsion, external rotation