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GA 2 > FINALS: Nose > Flashcards

FINALS: Nose Flashcards

0
Q

The external nose is attached to the forehead by

A

Nasal bridge or root

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1
Q

Nose is made up of

A

External nose

Nasal cavity

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2
Q

External nose is bounded by the _____ medially

A

Nasal septum

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3
Q

External nose is bounded by _____ laterally

A

Ala

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4
Q

Superior portion of the external framework of nose

A

Nasal bone
Frontal process of maxilla
Nasal part of frontal bone

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5
Q

Inferior portion of the external framework of nose

A

Plates or hyaline cartilages
Septal cartilage
Upper nasal cartilage
Lower nasal cartilage

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6
Q

Nasal cavity
Infront:
Behind:

A

Infront of nostrils

Behind choanae

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7
Q

Divides the nasal cavity into right and left halves

A

Nasal septum

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8
Q

Each half of the nasal cavity consists of

A

Floor
Roof
Lateral wall
Medial wall

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9
Q

Floor is formed by : 2

A

Palatine process of maxilla

Horizontal plate of palatine bone

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10
Q

Roof formed by : 4

A

Body of sphenoid
Nasal bone and nasal cartilages
Cribriform plate of ethmoid bone
Frontal bone

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11
Q

Located on the roof of the nasal cavity

Contains olfactory bulb and nerve to provide sense of smell

A

Olfactory membrane

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12
Q

Projections on the lateral wall : 3

A

Superior middle inferior conchae

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13
Q

Spaces below each conchae

A

Meatus

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14
Q

Superior to the superior concha

Receives: sphenoidal sinus

A

Sphenoethmoidal recess

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15
Q

Inf to sup conchae

Receives: posterior ethmoidal sinus

A

Superior meatus

16
Q

Inf to middle conchae

A

Middle meatus

17
Q

A curved cleft below the Bulla

Leads to: maxillary sinus

A

Hiatus semilunaris

18
Q

Funnel shaped channel

Receives: frontal and ant ethmoidal sinus

A

Infundibulum

19
Q

Openings in the middle meatus

A

Hiatus semilunaris

Infundibulum

20
Q

Openngs in the middle meatus leads to what sinuses 3

A

Frontal
Ant ethmoidal
Maxillary

21
Q

Inf to inf conchae

Receives: opening of nasolacrimal

A

Inferior meatus

22
Q

An osteocartilaginous partition

A

Medial wall or nasal septum

23
Q

Medial wall is composed of : 3

A

Sup: vertical plate of ethmoid
Post: vomer
Ant: septal cartilage

24
Q

Lines the nasal cavity

A

Mucous membrane

25
Q

2 types of mucous membrane

A

Olfactory

Respiratory

26
Q

Parts lined with olfactory m. Memb

A

Upper surface of superior concha
Sphenoethmoidal recess
Nasal septum
Roof

27
Q

Function of olfactory m memb

A

Reception of olfactory stimuli

28
Q

Lines lower part of nasal cavity

Warm, moisten and clean the inspired area

A

Respiratory mucous memb

29
Q

Major nerve supply of nasal cavity 3

A

Olfactory nerve
Ophthalmic and max branch of trigeminal nerve
Anterior ethmoidal nerve

30
Q

Ascend through the cribriform plate to reach the olfactory bulbs

A

Olfactory nerve

31
Q

Nerve supply for ordinary sensation

A

Ophthalmic and max branch

32
Q

Nerve supply to the anterior part of nasal cavity

A

Ant ethmoidal nerve

33
Q

Nerve supply to the posterior part of nasal cavity

A

Nasal, nasopalatine, palatine branches of the pterygopalatine ganglion

34
Q

Blood supply of nasal cavity

A

Branches of maxillary artery

35
Q

Common site of blleding from the nose or epistaxis

A

Sphenopalatine artery

36
Q

Lymph drainage of nasal cavity

A

Submandibular nodes

Upper deep cervical nodes

GA 2 (21 decks)

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