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Viscera and Visceral > Nasal cavity > Flashcards

Nasal cavity Flashcards

1
Q

external nose skeletal structures (6)

A

frontal bone, nasal bones, frontal process of maxilla, lateral cartilage, septal cartilage, alar cartilage

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2
Q

nasal cavity lateral boundaries (8)

A

frontal bone, nasal bone, ethmoid bone, sphenoid bone, lacrimal bone, inferior concha, palatine bone, maxilla

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3
Q

nasal cavity medial boundaries (4)

A

septal cartilage, ethmoid bone, posterior nare, vomer

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4
Q

ethmoid bone features (3)

A

crista gali, cribiform plate, near brain meninges

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5
Q

bad nose breaks can cause (3)

A

infection, bleeds, rhinorrhea

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6
Q

where does the olfactory bulb sit

A

on cribiform plate

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7
Q

what does the olfactory bulb connect to

A

olfactory nerve CNI

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8
Q

what is the superior part of the nasal cavity

A

olfactory area

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9
Q

what is aa feature of the nasal mucous membrane

A

highly vascular

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10
Q

what divides the nose

A

nasal septum

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11
Q

what is the inferior area of the nasal cavity

A

respiratory area

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12
Q

what is located in the vestibule (2)

A

skin and hair

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13
Q

what feature is located on the lateral nasal wall

A

turbinates

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14
Q

what are the turbinates (3)

A

superior concha, middle concha, inferior concha

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15
Q

what are below each concha from superior to inferior (3)

A

superior meatus, middle meatus, inferior meatus

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16
Q

what is located in the meatuses

A

openings for paranasal sinuses

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17
Q

what are the paranasal sinuses(4)

A

ethmoid, frontal, sphenoid, maxillary

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18
Q

which paranasal sinus can be used to retrieve fractured tooth roots

A

maxillary

19
Q

superior nerve

A

ethmoidal nerve CNV1

20
Q

where does the ethmoidal nerve stem from

A

trigeminal nerve

21
Q

what nerve supplies maxillary paranasal sinus

A

superior alveolar nerves CNV2

22
Q

openings in the superior meatus (2)

A

sphenoethmoidal recess for sphenoidal sinus and posterior ethmoidal air cells

23
Q

openings in the middle meatus (5)

A

middle ethmoidal cells, frontal sinus and anterior ethmoidal air cells, hiatus semilunaris, bulla ethmoidalis, maxillary sinus

24
Q

duct for the frontal sinus

A

frontonasal duct

25
Q

lacrimal anatomy (4)

A

lacrimal gland, lacrimal sac, nasolacrimal duct, orifice of the nasolacrimal duct

26
Q

where is the orifice for the nasolacrrimal duct located

A

inferior meatus

27
Q

nose bleeds

A

epistaxis

28
Q

veins supplying the nasal cavity

A

submucosal plexus

29
Q

submucosal plexus is drained by which veins (3)

A

opthalamic, sphenopalatine, facial

30
Q

common carotid artery splits into (2)

A

internal and external carotid arteries

31
Q

external common carotid artery splits into (3)

A

anterior and posterior ethmoidal arteries, lateral nasal branches of facial artery, sphenopalatine artery

32
Q

what arteries supply above the teeth

A

greater palatine artery

33
Q

anterior and posterior ethmoidal arteries branch from

A

opthalamic artery

34
Q

what are present on the medial wall of the nasal cavity

A

arterial anastamoses

35
Q

what artery supplies above the lip

A

superior labial artery

36
Q

what nerve supplies hte anterior nasal cavity

A

branches of the ethmoidal nerve V1 nasociliary trigeminal opthalamic branch

37
Q

what nerve supplies the posterior nasal cavity

A

branches of the greater and lesser palatine nerves from the V2 trigeminal maxilllary branch

38
Q

palatine nerves go through which ganglion

A

pterygopalatine

39
Q

what lies superior to the cribiform plate

A

olfactory bulb

40
Q

what supplies the superior nasal cavity

A

olfactory nerves of the olfactory epithelium

41
Q

nerves on the posterior medial wall

A

nasopalatine nerve V2 trigeminal nerve maxillary branch

42
Q
A
43
Q
A

Viscera and Visceral (24 decks)

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