Nasal Canal

Question 0

What are the two major cartilages that for the outside of the nose?

Answer 0

Major alar cartilage

Septal cartilage

Question 1

Supporting framework of the nose consists of what?

Answer 1

Bone

Hyaline cartilage

Question 2

What are the two divisions of the major alar cartilage of the nose ?

Answer 2

Lateral crura

Medial crura

Question 3

What is the area lines with skin and stiff hairs in the nose?

Answer 3

Vestibule

Question 4

What does the nose communicate with posteriorly?

Answer 4

Nasopharynx

Question 5

What are the three main functions of the nasal cavity?

Answer 5

Smell
Conditioning the air
Receive secretions from nasolacrimal duct and air sinuses

Question 6

What bones make up the floor of the nasal cavity?

Answer 6

Hard palate

Question 7

What bones make up the roof of the nasal cavity?

Answer 7

Nasal bone
Frontal bone
Cribiform plate of the ethmoid
Sphenoid

Question 8

What bones make up the medial wall of the nasal cavity (aka nasal septum)?

Answer 8

Perpendicular plate of the ethmoid

Vomer

Question 9

What bones make up the lateral wall of the nasal cavity?

Answer 9

Maxilla 
lacrimal bone
Inferior nasal concha
Ethmoidal labyrinth 
Palantine
Medial pterygoid plate

Question 10

Where is the sphenoethmoidal recess?

Answer 10

Above and behind the superior nasal concha

Question 11

What opening is found in the superior meatus?

Answer 11

Opening for the posterior ethmoidal air cells

Question 12

What four things can be found in the middle meatus?

Answer 12

Semilunar hiatus
Infundibulum
Ethmoidal bulla
Opening of maxillary sinus

Question 13

What opening is in the ethmoidal bulla?

Answer 13

Opening for Middle ethmoidal air cells

Question 14

What openings can be found in the infundibulum?

Answer 14

Opening for anterior ethmoidal air cells

Possibly frontal sinus

Question 15

What opening is in the inferior meatus?

Answer 15

Nasolacrimal duct

Question 16

What opening is in the sphenoethmoidal recess?

Answer 16

Opening of the Sphenoid sinus

Question 17

What are the two types of mucosa found in the nasal cavity?

Answer 17

Olfactory mucosa (has olfactory cells)
Respiratory mucosa

Question 18

What three nerves supply general sensory innervation to the nose?

Answer 18

Opthalmic v1
maxillary v2
Anterior ethmoidal nerve

Question 19

The anterior ethmoidal nerve (branch of the nasociliary) divides into what two branches in the nasal cavity and what do they supply?

Answer 19

Internal: mucosa of anterior septum and lateral wall
External: skin of lower part of nose

Question 20

What are the cells that provide special sensory nerve supply to the nose?

Answer 20

Olfactory receptor cells

Question 21

What part of the olfactory cell gives rise to no motile cilia?

Answer 21

Dendrite

Question 22

What part of the olfactory cell gives rise to olfactory nerves?

Answer 22

Axons

Question 23

What are the main two arteries that supply the nasal cavity?

Answer 23

Sphenopalantine (maxillary)
Anterior ethmoidal (opthalmic)

Question 24

What does the Sphenopalantine artery supply in the nasal septum?

Answer 24

Posterior part of lateral wall and septum

Question 25

What does the anterior ethmoidal artery supply in the nasal cavity?

Answer 25

Anterior parts of the nasal cavity and septum

Question 26

What is the common area for a nosebleed?

Answer 26

Kiesselbach's area | Where arteries of the nasal septum anastomose

Question 27

What are the main veins of the nasal cavity?

Answer 27

Pterygoid venous plexus Facial vein Superior opthalmic vein

Question 28

What are the functions of the para nasal sinuses?

Answer 28

Resonating chambers for voice | Lighten skull bones

Question 29

What bone is the maxillary sinus in?

Answer 29

Maxilla

Question 30

What is the nerve supply of the maxillary sinus?

Answer 30

Superior alveolar nerve

Question 31

What is the blood supply of the maxillary sinus?

Answer 31

Superior alveolar artery

Question 32

What is the nerve supply of the frontal sinus?

Answer 32

Supraorbital nerve

Question 33

What is the artery supply of the frontal supply?

Answer 33

Supraorbital artery

Question 34

What is the nerve supply of the ethmoid air cells?

Answer 34

Anterior and posterior ethmoidal nerves

Question 35

What is the arterial supply of the ethmoidal air cells?

Answer 35

Anterior and posterior ethmoidal arteries

Question 36

What is the nerve supply of the sphenoid bone?

Answer 36

Posterior ethmoidal nerve | Pharyngeal nerve

Question 37

What is the arterial supply of the sphenoid sinus?

Answer 37

Posterior ethmoidal artery | Pharyngeal branch of maxillary artery