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APRN Pharmocology > CMM 501 Unit 3 > Flashcards

CMM 501 Unit 3 Flashcards

1
Q

What is the action of the palatoglossus muscle?

A

Elevates tongue, constricts posterior opening of oral cavity

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2
Q

What is the action of the palatopharyngeus muscle?

A

Elevates pharynx/larynx during swallowing and speaking

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3
Q

What is the action of the levator veli palatini?

A

Elevates soft palate during swallowing

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4
Q

What is the action of Tensor veli palatini?

A

Tenses soft palate during swallowing

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5
Q

What is the action of Salpingopharyngeus?

A

Elevates pharynx/larnynx during swallowing/speaking

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6
Q

What is the action of the pharyngeal constrictors?

A

Assists in moving bolus inferiorly to esophagus during swallowing

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7
Q

What is the action of the cricothyroid muscle?

A

Increases tension in vocal folds to produce a higher pitch

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8
Q

What is the action of the intrinsic muscles of the larynx?

A

Moves cartilages of larynx to produce speech

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9
Q

What midline cavity muscles are innervated by CN X (Vagus)? (5 muscles)

A

Palatoglossus, Palatopharyngeus, Levator veli palatini, Salpingopharyngeus, Pharyngeal Constrictors

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10
Q

What nerve innervates the tensor veli palatini?

A

CN V3 (Trigeminal - Mandibular)

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11
Q

Which midline cavity muscle helps to open the auditory (eustachian) tubes?

A

Salpingopharyngeus

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12
Q

What is the function of genioglossus?

A

Protrude, depress, and elevates sides of tongue

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13
Q

What is the function of styloglossus?

A

Retract and elevate sides of tongue

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14
Q

What is the function of geniohyoid?

A

Pulls hyoid anteriorly which shortens floor of mouth and widens pharynx

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15
Q

What is the function of digastric?

A

Elevates hyoid during swallowing and speaking. Can depress mandible.

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16
Q

What is the action of mylohyoid?

A

Elevates hyoid, tongue, floor of moth during swallowing

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17
Q

What is the action of hyoglossus?

A

Depresses tongue

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18
Q

Which muscles are innervated by hypoglossus (CNXII)?

A

Genioglossus, styloglossus, Hyoglossus

19
Q

What is the action and innervation of the soft palate?

A

Seals off nasal cavity when swallowing
CN IX - sensory
CN V3 and CN X - Motor

20
Q

How is the parotid gland innervated?

A

CN V3- Sensory
Lesser petrosal nerve from CN IX via auriculotemporal nerve from CN V3 - Parasympathetic Motor

21
Q

Which artery feeds the arteries of the nasal cavity and palatine?

A

Sphenopalatine artery - causes clinically significant nose bleeds

22
Q

What is the function of sternohyoid?

A

Depresses hyoid after swallowing

23
Q

What is the function of omohyoid?

A

Depresses/retracts hyoid

24
Q

What is the function of sternothyroid?

A

Depresses hyoid and larynx

25
Q

What is the function of thyrohyoid?

A

Depresses hyoid, elevates larynx

26
Q

Which muscles does ansa cervicalis provide innervation to?

A

Sternohyoid
Omohyoid
Sternothyroid

27
Q

Describe ansa cervicalis

A

C1-C3
Branches loop up and down the neck anterior to SCM
One end attaches to hypoglossal
Other end attaches to descending C2-C3

28
Q

Which 3 CN traverse the jugular foramen?

A

CN IX
CN X
CN XI

29
Q

Which CN traverse the superior orbital fissure?

A

CN III
CN IV
CN V1
CN VI

30
Q

Which CN is responsible for visceral sensory innervation of the carotid?

A

CN IX

31
Q

What makes the cavernous sinus vulnerable to infection?

A

The cavernous sinus is vulnerable because of its connection to the external face via the ophthalmic and pterygoid plexus veins.

32
Q

What is the destination and route of the lesser petrosal nerve?

A

Parotid gland - Parasympathetic
CN IX - Branches in jugular foramen and passes through middle ear along tympanic membrane. Exits near foramen ovale where is joins CN V3

33
Q

What is the destination and route of the greater petrosal nerve?

A

Glands of orbit and nose - Parasympathetic
CN VII - Branches at geniculate ganglion and passes through sphenoid to join CN V2

34
Q

What nerve provides sensory innervation to the dura mater?

A

CN V (all branches)

35
Q

What are the muscles of mastication and how are they innervated?

A

Temporalis
Masseter
Medial pterygoid
Lateral pterygoid
CN V3

36
Q

What does the infraorbital artery feed?

A

Upper jaw, upper teeth, maxillary sinus

37
Q

What does the facial artery feed?

A

Superficial face around cheek, mouth, nose, lower eyelid

38
Q

Which CN controls eye lens shape?

A

CN III Oculomotor

39
Q

What is the function of superior rectus?

A

Elevates and adducts eye from straight view
Medially rotates

40
Q

What is the function of inferior rectus?

A

Depresses and adducts eye from straight view
Laterally rotates

41
Q

What is the function of medial rectus?

A

Adducts eye from straight view

42
Q

What is the function of lateral rectus?

A

Abducts eye from straight view

43
Q

What is the function of superior oblique?

A

Abducts, depresses, and medially rotates eye
“Down and out”

44
Q

What is the function of inferior oblique?

A

Adducts, elevates and laterally rotates eye
“Up and out”

APRN Pharmocology (5 decks)

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