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a&p unit 3 > articulation lecture 18 > Flashcards

articulation lecture 18 Flashcards

1
Q

what are the muscles of the velum

A

levator veli palatini, muscularus uvulae, tensor veli palatini, palatopharyngeus

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2
Q

where does the levator veli palatini arise and insert

A

arises from petrous portion inserts into soft palate lateral to uvulae

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3
Q

levator veli palatini elevates and retracts what

A

the soft palate

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4
Q

levator veli palatini is innervated by what

A

accessory and vagus nerve

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5
Q

what is muscularus uvulae

A

a muscle embodied within the uvulae
runs from palatine bones to sides of velum
shortens the soft palate
innervated by accessory and vagus nerve

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6
Q

muscularus uvulae goes from where to where

A

palatine bones to sides of velum

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7
Q

muscularus uvulae innervated by what

A

accessory and vagus

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8
Q

where does tensor veli palatini arise and insert

A

arises from sphenoid bone and lateral eustachian tube wall and inserts into palatine bone

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9
Q

what does tensor veli palatini do

A

dilates eustachian tube

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10
Q

tensor veli palatini innervated by what

A

trigeminal

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11
Q

where does palatopharyngeus originate and insert

A

originates from anterior hard palate and inserts into posterior thyroid cartilate

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12
Q

what does palatopharyngeus do

A

narrowing pharyngeal cavity
lowers soft palate
assists in elevating larynx

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13
Q

palatopharyngeus innervated by what

A

accessory and vagus

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14
Q

what are the muscles of the pharynx

A

superior pharyngeal constrictor, middle pharyngeal constrictor, inferior pharyngeal constrictor, salpingopharyngeus

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15
Q

what is the superior pharyngeal constrictor

A
  • superior sleeve of pharyngeal wall attaching to temporal bone, medial pterygoid plate, and eustachian tube
  • forms sides and back wall of nasopharynx and oropharynx
  • pulls pharyngeal wall forward and constricts the pharyngeal diameter
  • effects velopharyngeal seal
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16
Q

what does superior pharyngeal constrictor affect

A

velopharyngeal seal

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17
Q

superior pharyngeal constrictor innervated by what

A

accessory and vagus

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18
Q

middle pharyngeal constrictor

A

narrows diameter of pharyn

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19
Q

middle pharyngeal constrictor innervation

A

accessory and vagus

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20
Q

where does middle pharyngeal constrictor arise and insert

A

arises from horns of hyoid and inserts into medial pharyngeal raphe

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21
Q

where is superior pharyngeal constrictor

A

superior sleeve of pharyngeal wall attaching to temporal bone, medial pterygoid plate, and eustachian tube

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22
Q

where does inferior pharyngeal constrictor arise and insert

A

arises from sides of cricoid cartilage and inserts into orificie of esophagus

23
Q

inferior pharyngeal constrictor does what

A

reduces diameter of lower pharynx and important muscle for swallowing

24
Q

inferior pharyngeal constrictor innervation

A

accessory and vagus

25
Q

where does salpingopharyngeus arise from

A

arises from lower portion of eustachian tube

26
Q

salpingopharyngeus does what

A

converges with palatopharyngeus and shortens pharynx

27
Q

salpingopharyngeus innervation

A

accessory and vagus

28
Q

what part of the velum closes for non nasal speech

A

levator veli palatini

29
Q

range of motion and rate of movement in velum matches what

A

needs of rapid speech and nonspeech functions

30
Q

what requires greater velopharyngeal effort and which muscles help with that

A

the production of high pressure consonants
superior pharyngeal constrictor and uvular muscles

31
Q

hard and soft palate in velum

A

richly endowed with receptors that provide feedback concerning pressure and they facilitate or inhibit motor lingual activity
muscle spindles in tensor veli palatini, palatoglossus, and levator velipalatini

32
Q

where does masseter originate and insert

A

originates at zygomatic arch and inserts into angl/neck of mandible

33
Q

what does masseter elevate/depress

A

elevates mandible, teeth clenched

34
Q

masseter innervation

A

trigeminal

35
Q

temporalis arises from and inserts where

A

arises from temporal fossa and inserts into coronoid process of mandible

36
Q

what does temporalis elevate/depress

A

elevates mandible and draws it back

37
Q

temporalis innervation

A

trigeminal

38
Q

which muscles elevate mandible

A

masseter, temporalis, and medial pterygoid and lateral pterygoid

39
Q

where does medial pterygoid originate and insert

A

originates from medial pterygoid plate and inserts into mandible neck/angle

40
Q

what does medial pterygoid elevate/depress

A

elevates mandible in conjunction w masseter

41
Q

where does lateral pterygoid arise and insert

A

arises from sphenoid bone and insert into pterygoid fovea of mandible

42
Q

what does lateral pterygoid do to mandible

A

protrudes mandible

43
Q

lateral and medial pterygoid innervation

A

trigeminal

44
Q

digastricts originate where

A

anterior originates at inner surface of mandible and posterior originates from mastoid process

45
Q

what does digastrics elevate/depress

A

depresses mandible

46
Q

digastrics innervation

A

facial

47
Q

mylohyoid originates and inserts where

A

originates from underside of mandible and fanlike muscle inserts into hyoid

48
Q

mylohyoid elevates/depresses what

A

depresses mandible

49
Q

mylohyoid innervation

A

trigeminal

50
Q

geniohyoid originates and inserts where

A

originates at mental spines of mandible and inserts into corpus hyoid

51
Q

geniohyoid is where

A

lies just under bodoy of tongue

52
Q

geniohyoid elevates or depresses what

A

depresses mandible if hyoid is fixed

53
Q

geniohyoid innervation

A

hypoglossal

a&p unit 3 (5 decks)

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