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gross anatomy 2 palmer > nasal cavity > Flashcards

nasal cavity Flashcards

1
Q

what are the bones that form the roof of the nasal cavity?

A

nasal bone
frontal bone
cribiform plate of ethmoid bone
body of sphenoid bone

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2
Q

what is the floor of the nasal cavity formed by?

A

palatine process of maxilla
horizontal plate of palatine bone

these 2 together form hard palate

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3
Q

the medial wall or nasal septum of the nasal cavity is formed by?

A

perpendicular plate of ethmoid bone
vomer
septal cartilage

PVS

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4
Q

the lateral wall of the nasal cavity is formed by what 7 bones?

A 
Nasal bone
Frontal process of maxilla
Lacrimal bone
Perpendicular plate of palatine
r
Inferior nasal concha 
Medial pterygoid plate of sphenoid 
Ethmoid bone

NFL PrIME

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5
Q

what are the 2 functions of the nasal concha?

A
  1. increase surface area

2. increase air turbulence

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6
Q

the sphenoethmoidal recess receives the opening of what?

A

the sphenoid sinus

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7
Q

the superior meatus receives the opening of the?

A

posterior ethmoidal cells

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8
Q

the middle meatus receives which openings?

A

Maxillary sinus
Middle ethmoidal cells
Anterior ethmoidal cells
Frontal sinus

MMA Fight

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9
Q

what is the name of a rounded projection into the middle meatus?

A

ethmoidal bulla

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10
Q

a curved slit lying below the ethmoidal bulla within the middle meatus is called?

A

hiatus semilunaris

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11
Q

the inferior meatus receives the opening of?

A

the nasolacrimal duct

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12
Q

what does the nasolacrimal duct connect?

A

the lacrimal sac of the orbit to the nasal cavity- it drains extra tears

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13
Q

what are the 3 regions of the nasal cavity?

A

nasal vestibule
respiratory region
olfactory region

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14
Q

the nasal vestibule contains what?

A

hair, sebaceous glands and sweat glands- its the area of the nose you pick

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15
Q

the olfactory region contains fibers of what?

A

the olfactory nerve CN I which pass through the cribiform plate

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16
Q

what is the special sensory innervation of the nasal cavity?

A

olfactory nerve CN I

17
Q

what is the general sensory innervation

A

branches of maxillary and opthalmic divisions of trigeminal nerve CN V

18
Q

what is the autonomic innervation (sympathetic and parasympathetic) of the nasal cavity?

A

pterygopalatine ganglion

19
Q

the primary blood supply to the nasal cavity is from?

A

sphenopalatine artery

20
Q

there is also blood supply to the nasal cavity from 2 other branches?

A

sphenopalatine branch of maxillary artery

anterior ethmoidal branch of opthalmic artery

21
Q

lymph nodes from the nasal cavity drain into?

A

deep cervical nodes

22
Q

what are the 4 sinuses of the nose?

A

frontal
maxillary
sphenoidal
ethmoidal

23
Q

the frontal sinus opens into the?

A

hiatus semilunaris of the middle meatus via the frontonasal duct

24
Q

which is the largest of the paranasal sinuses and the only one present at birth?

A

maxillary sinus

25
Q

which sinus is most frequently prone to infection due to poor drainage?

A

maxillary sinus

26
Q

when someone has pituitary cancer surgery it is done through which sinus?

A

sphenoid sinus

27
Q

what are the 3 types of ethmoidal cells in the ethmoidal sinus?

A

posterior, middle and anterior ethmoidal cells

28
Q

an infection of the nasal cavity can spread to many places, what are the 6 places they spread?

A
  1. nasopharynx- most common- acute pharyngitis
  2. middle ear- otitis media
  3. paranasal sinuses- sinusitis
  4. lacrimal apparatus and conjunctiva- conjunctivitis
  5. anterior cranial fossa- meningitis, brain abscess
  6. mastoid air cells via middle ear- mastoiditis- dangerous bacteria into brain
29
Q

what is naegleria fowleri?

A

a brain eating amoeba

30
Q

CSF fluid dripping through the nose indicates?

A

damage to the cribiform plate

31
Q

halo sign indicates?

A

fluid dripping from nose- red haloed in gray indicates CSF

gross anatomy 2 palmer (16 decks)

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