Exam 3 Action And Innerv Flashcards by Hailey Haas

Q

Posterior cricoarytenoid
Action
Nerve

A

Abducts vocal folds

Recurrent laryngeal nerve, cn X

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Q

Transverse arytenoid
Action
Nerve

A

Adducts vocal folds

Recurrent laryngeal nerve, CN X

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Q

Oblique arytenoid
Action
Nerve

A

Adducts vocal folds

Recurrent laryngeal nerve, CN X

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Q

Lateral cricoarytenoid
Action
Nerve

A

Adducts vocal folds

Recurrent laryngeal nerve, CN X

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Q

Thyroarytenoid
Action
Nerve

A

Relaxes vocal ligament

Recurrent laryngeal nerve, CN X

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Q

Vocalis
Action
Nerve

A

Relaxes posterior vocal ligament

Recurrent laryngeal nerve, CN X

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Q

Cricothyroid
Action
Nerve

A

Tenses vocal ligament

External laryngeal nerve, CN X

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Q

Mylohyoid
Action
Nerve

A

Elevates hyoid

Trigeminal, V3

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Q

Tensor tympani
Action
Nerve

A

Tenses tympanic membrane, dampens noises of chewing

Trigeminal, V3

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Q

Stapedius
Action
Nerve

A

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

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Q

Tensor veli palatini
Action
Nerve

A

Tenses soft palate

Trigeminal V3

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Q

Levator veli palatini
Action
Nerve

A

Elevates soft palate

Cn X

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Q

Palatoglossus
Action
Nerve

A

Elevates posterior part of tongue

CN X

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Q

Palatopharyngeus
Action
Nerve

A

Elevates soft palate and pharynx

CN X

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Q

Stylopharyngeus
Action
Nerve

A

Elevates pharynx

CN IX

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Q

Pharyngeal constrictor muscles
Action
Nerve

A

Constricts walls of pharynx during swallowing

CN X

Q

Genioglossus
Action
Nerve

A

Protrudes tongue and depresses central part of tongue

CN XII

Q

Hyoglossus
Action
Nerve

A

Depresses tongue

CN XII

Q

Styloglossus
Action
Nerve

A

Elevates and retracts tongue

CN XII

Q

Palatoglossus
Action
Nerve

A

Elevates posterior part of tongue

CN X

Q

Ciliary muscle
Action
Nerve

A

Pupillary accommodation

PNS, CN III

Q

Sphincter pupillae
Action
Nerve

A

Constricts pupil

PNS CN III

Q

Dilator pupillae
Action
Nerve

A

Dilates pupil

Sns

Q

Superior tarsal muscle
Action
Nerve

A

Elevates superior eyelid

SNS

Q

Levator palpebrae superioris
Action
Nerve

A

Elevates superior eyelid

CN III

Q

Lateral rectus
Action
Nerve

A

Abducts eye

CN VI

Q

Medial rectus
Action
Nerve

A

Adducts eye

CN III

Q

Superior rectus
Action
Nerve

A

Elevates, adducts, and medially rotates eye

CN III

Q

Inferior rectus
Action
Nerve

A

Depresses, adducts, and laterally rotates eye

CN III

Q

Inferior oblique
Action
Nerve

A

Depresses, adducts, and laterally rotates eye

CN III

Q

Inferior oblique
Action
Nerve

A

Elevates, abducts, and laterally rotates eye

CN III

Q

Superior oblique
Action
Nerve

A

Depresses, abducts, and medially rotates eye

CN IV

Q

Medial rotation= ___ = ___

A

Intorsion, internal rotation

Q

Lateral rotation= ___= __

A

Extorsion, external rotation