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Anatomy > Oral Cavity > Flashcards

Oral Cavity Flashcards

1
Q

Hard palate is formed by these bones

A

Maxillary and palatine bones

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2
Q

Incisive fossa is formed by this

A

Maxillary bones

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3
Q

Greater and lesser palatine foramina reside in this structure

A

Hard palate; in palatine bones

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4
Q

Fibromuscular shelf of tissue that projects posterior and inferior from the hard palate

A

Soft palate

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5
Q

Structure that raises the uvula

A

Musculus uvula

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6
Q

Origin of the levator veli palatini muscle

A

Base of skull

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7
Q

Insertion of the levator veli palatini muscle

A

Soft palate

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8
Q

Action of the levator veli palatini muscle

A

Raises the soft palate; prevents food from going up into nasal cavity

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9
Q

Origin of tensor veli palatini muscle

A

Base of skull

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10
Q

This muscle belly tapers down to a tendon which courses around the hamulus of the medial pterygoid plate to insert into the soft palate

A

Tensor veli palatini muscle

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11
Q

2 Actions of tensor veli palatini muscle

A

Tense/lower soft palate
Dilate/open eustachian tube to equalize air pressure in ear and oral cavity

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12
Q

Innervation of tensor veli palatini muscle

A

CN V3

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13
Q

Innervation of levator veli palatini muscle

A

CN X

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14
Q

Action of the palatoglossus muscle

A

Elevates posterior tongue

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15
Q

Action of palatopharyngeus muscle

A

Pulls pharynx upward

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16
Q

Most of the muscles of the soft palate are innervated by this

A

CN X

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17
Q

Sensory nerves of the palate arise from this

A

Maxillary division CN V2

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18
Q

Sensory branch of CN V2 that courses anteriorly along the hard palate

A

Greater palatine nerve

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19
Q

Sensory branch of CN V2 that courses posteriorly to the soft palate

A

Lesser palatine nerve

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20
Q

The greater and lesser palatine nerves are branches of this

A

CN V2

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21
Q

The greater and lesser palatine arteries arise from this

A

Maxillary artery

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22
Q

Branch of maxillary artery that courses on the hard palate

A

Greater palatine artery

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23
Q

Branch of maxillary artery that supplies the soft palate

A

Lesser palatine artery

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24
Q

Extrinsic muscles of the tongue are mostly innervated by this

A

CN XII

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25
Q

Origin of genioglossus muscle

A

Mental spine (or genial tubercle)

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26
Q

Insertion of genioglossus muscle

A

Base of tongue

27
Q

Origin of hyoglossus muscle

A

Hyoid bone

28
Q

Insertion of hyoglossus muscle

A

Base of tongue

29
Q

Small extrinsic muscle of the tongue that forms the anterior tonsillar pillar

A

Palatoglossus muscle

30
Q

Muscles responsible for forming intricate tongue movements such as those required for speech

A

Intrinsic tongue muscles

31
Q

Action of genioglossus muscle

A

Pulls tongue forward and downward

32
Q

Action of styloglossus muscle

A

Pulls tongue backward and upward

33
Q

Action of palatoglossus muscle

A

Pulls tongue upward

34
Q

Action of hyoglossus muscle

A

Pulls tongue downward

35
Q

Innervation of palatoglossus muscle

A

CN X via pharyngeal plexus

36
Q

Pain, temperature, and touch innervation of the tongue

A

CN V3 lingual nerve - anterior 2/3
CN IX - posterior 1/3

37
Q

General sensation to anterior 2/3 of tongue

A

Lingual nerve of CN V3

38
Q

General sensation to posterior 1/3 of tongue

A

CN IX

39
Q

Taste sensation to anterior 2/3 of tongue

A

Chorda tympani of CN VII

40
Q

Taste sensation to posterior 1/3 of tongue

A

CN IX

41
Q

Arterial and venous supply to tongue

A

Lingual artery and vein

42
Q

Location in the oral cavity that is an ideal location for introducing certain medications to the body since it permits rapid application of medication into the cardiovascular system, thus bypassing the GI tract

A

Lingual plexus underneath anterior region of tongue

43
Q

Number of incisor teeth

A

2

44
Q

Number of canine teeth

A

1

45
Q

Number of premolar teeth

A

2

46
Q

Number of molar teeth

A

3

47
Q

Mental foramen lies below these teeth

A

Premolars

48
Q

Composed of fibrous tissue covered by mucous membrane that lies over the mandibular bone and maxillary bone

A

Gingivae (gums)

49
Q

Gums located on inner, or oral cavity surface, adjacent to the tongue

A

Lingual gingivae

50
Q

Gums located on the lateral, or outer surface, adjacent to the lips

A

Buccal gingivae

51
Q

The inferior dental plexus is formed by this

A

Inferior alveolar nerve of V3

52
Q

Nerve that forms the inferior dental plexus

A

Inferior alveolar nerve of V3

53
Q

Nerve which supplies sensation to the mandible (lower jaw) and associated mucosal lining and gingivae

A

Inferior alveolar nerve of V3

54
Q

Inferior alveolar nerve is a branch of

A

CN V3

55
Q

Superior dental plexus is formed by this

A

Superior alveolar nerve of V2

56
Q

Nerve which provides sensation to the maxilla (upper jaw) and associated mucosal lining and gingivae

A

Superior alveolar nerve of V2

57
Q

Superior alveolar nerve is a branch of this

A

CN V2

58
Q

6-12 small ductules emerge from this gland and directly drain secretory contents into the oral cavity

A

Sublingual gland

59
Q

Greater palatine nerve block targets this

A

Greater palatine foramen

60
Q

Incomplete closure of hard palate during embryological development

A

Cleft palate

61
Q

Sensory limb of the gag reflex

A

CN IX

62
Q

Motor limb of the gag reflex

A

CN X

63
Q

Genioglossus paralysis where the tongue tip points to side of lesion is from injury to this nerve

A

CN XII

Anatomy (23 decks)

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