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Head and Neck > Week 2 Dry > Flashcards

Week 2 Dry Flashcards

1
Q

how many teeth do we have

A

32

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2
Q

how many incisors in adult

A

8

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3
Q

how many molars in adult

A

12

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4
Q

how many canines in adult

A

4

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5
Q

how many premolars in adult

A

8

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6
Q

what type of joint is the TMJ

A

synovial hinge

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7
Q

what bones make the TMJ

A

temporal bone and mandible

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8
Q

2 articular process that make TMJ

A

mandibular fossa of temporal bone and condylar process (head) of mandible

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9
Q

muscles of mastication

A

masseter, temporalis, medial and lateral pterygoid

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10
Q

innervation of muscles of mastication

A

trigeminal mandibular (V3)

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11
Q

what foramen of the skull base does the V3 pass through

A

foramen ovale (with another smaller meningeal branch leaving through foramen spinosum)

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12
Q

what branch of the trigeminal innervated some of the suprahyoid muscles

A

inferior alveolar branch off the mandibular

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13
Q

attachments of temporalis

A

temporal bone to coronoid process and ramus of mandible

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14
Q

action of temporalis

A

elevate and retracts mandible

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15
Q

attachments of masseter

A

maxillary process of zygomatic/ zygomatic arch and angle of mandible

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16
Q

action of masseter

A

elevate mandible

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17
Q

innervation of masseter

A

V3

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18
Q

attachments of medial pterygoid

A

lateral pterygoid plate of sphenoid bone to ramus of mandible

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19
Q

action of medial pterygoid

A

elevate and protude mandible

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20
Q

attachements of lateral pterygoid

A

lateral pterygoid plate of sphenoid bone to condylar and coronoid processes of mandible

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21
Q

which of the pterygoid is horizontal

A

lateral pterygoid

22
Q

which of the pterygoids is vertical

A

medial pterygoid

23
Q

innervation of the pterygoids

A

V3

24
Q

action of lateral pterygoid

A

protrudes the mandible

25
Q

muscle of mastication producing side to side movement

A

medial pterygoid

26
Q

where is the vestibule of the oral cavity

A

between teeth gums and lips and cheeks

27
Q

two bones of hard palate

A

maxillary and palatine

28
Q

innervation to muscle of soft palate

A

X - vagus (expect tensor which is V3)

29
Q

how many muscles of the soft palate are there

A

5

30
Q

name the 5 muscles of the soft palate

A 
palatoglossus
palatopharyngeus
levator veli palatini
tensor veli palatini
musculus uvulae
31
Q

what arches are made by the soft palate

A

palatoglossal and palatopharyngeal arches

32
Q

what space lies between the palate arches

A

tonsillar sinus

33
Q

what lies in the tonsillar sinuses

A

the palatine tonsils

34
Q

which arch is most posterior

A

palatopharyngeal arch

35
Q

anterior 2/3 and posterior 1/3 of tongue are separated by the

A

terminal sulcus

36
Q

what is foramen caecum

A

a pit behind terminal sulcus which is the embryological remnant of where the thyroid gland developed

37
Q

name of posterior 1/3 of tongue

A

lingual tonsil

38
Q

bit attaching tongue to base of mouth at front

A

frenulum

39
Q

taste innervation of front 2/3 tongue

A

chorda tympani branch of facial nerve

40
Q

taste innervation of back 1/3 tongue

A

glossopharyngeal IX

41
Q

general innervation of tongue

A

front 2/3 - V3

back 1/3 IX

42
Q

extrinsic tongue muscles

A

geniglossus, hyoglossus, styloglossus and palatoglossus

43
Q

order of muscles under tongue in sagittal section from top to bottom

A

geinioglossus, geniohyoid, mylohyoid

44
Q

attachments of hyoglossus

A

hyoid bone to tongue

45
Q

attachments of styloglossus

A

styloid process to tongue

46
Q

innervation of extrinsic tongue muscles

A

XII - hypoglossal

47
Q

3 salivary glands

A

parotid, submandibular, sublingual

48
Q

secretomotor innervation of sublingual

A

VII - facial nerve

49
Q

secretomotor innervation of submandibular

A

VII - facial nerve

50
Q

secretomotor innervation of parotid gland

A

IX - glossopharyngeal

51
Q

where does the submandibular gland duct go

A

comes out at the front

52
Q

where do the sublingual gland ducts go

A

horseshoe shape around tongue

Head and Neck (14 decks)

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