Nose

Question 1

Pyramidal structure of bone + cartilage + nasal cavities

Answer 1

Nose

Question 2

Divides nasal cavity into 2 separate areas

Answer 2

Midline nasal septum

Question 3

Open ant via ____ post via ____

Answer 3

Nares
Choanae

Question 4

Nasal roof

Answer 4

Arch like
Nasal cartilage + nasal bones (ant)
Cribriform plate of ethmoid (mid)
Sphenoid + clivis (occipital bones) (post)

Question 5

Nasal floor

Answer 5

Horizontal plate of palatine bone
Palatine process of maxilla

Question 6

Nasal medial wall

Answer 6

Nasal septum (cartilage + ethmoid/vomer)

Question 7

Nasal Lateral wall

Answer 7

Bony framework (ethmoid/maxilla/palatine bone)
Bony conchae (sup,mid,inf)

Question 8

Nose lined by _____

Answer 8

Mucoperiosteum (highly vascular)

Question 9

Sinuses drain into ____

Answer 9

The nose interior via numerous openings

Question 10

Sphenoidal sinus drains into ___

Answer 10

Sphenoethmoidal recess which lies above the superior conchae

Question 11

Posterior ethmoidal air cells drains into ___

Answer 11

Superior meatus that lies below the superior conchae

Question 12

Bellow each conchae lie
1- ___ draining ____
2- ___ draining ____

Answer 12

Middle meatus
Ethmoidal+maxillary + frontal sinuses
Inferior meatus
Nasolacrimal duct + tears from eye

Question 13

Nasal arterial supply

Answer 13

Opthalmic (ant,post,ethmoid branches) + maxillary (sphenopalatine branch)

Question 14

Nasal Venous drainage

Answer 14

Facial vein into internal jugular

Question 15

Nasal nerve supply

Answer 15

Olfactory (1) olphactory zone
Trigeminal (v1,v2) + multiple sensory branches to entire nose