Nasal Cavity

Question 1

What are the 4 arteries associated with the nose?

Answer 1

Ophthalmic
Maxillary
Facial
Kiesselbach area

Question 2

What is the kiesselbach area?

Answer 2

Anterior part of the septum where 5 arteries anastomise

Question 3

What branches of the ophthalmic artery supply the nose?

Answer 3

Anterior and posterior ethmoidal

Question 4

What branches of the maxillary artery supply the nose?

Answer 4

Sphenopalatine and greater palatine

Question 5

What branches of the facial artery supply the nose?

Answer 5

Superior labial and lateral nasal branches

Question 6

Where is the kiesselbach area?

Answer 6

Anterior part of septum

Question 7

Name arteries A and B, what main artery are they ranches of?

Answer 7

A = anterior ethmoidal artery
B = posterior ethmoidal artery

Branches of the ophthalmic artery

Question 8

What are arteries A-C, what artery do they arise from?

Answer 8

A= sphenopalatine artery
B = lateral branches of sphenopalatine artery
C = greater palatine artery

Branches of the maxillary artery

Question 9

Answer 9

Alar branch of lateral nasal artery

From the maxillary artery

Question 10

Answer 10

Septal branch from nasal artery from superior labial artery

Question 11

Where does the kiesselbach area lie?

Answer 11

On the septal cartilage

Question 12

What is the medical term for a nose bleed?

Answer 12

Epistaxis

Question 13

What are the 3 forms of venous drainage of the nose?

Answer 13

Emissary
Sphenopalatine
Ethmoidal, branches

Question 14

What is the course of the emissary veins for venous drainage of the nose?

Answer 14

Through foramen caecum to superior Sagittal sinus

Question 15

What is the route of the sphenopalatine venous drainage system of the nose?

Answer 15

Through the sphenopalatine foramen to pterygoid plexus

Question 16

What foramen is this and what passes through?

Answer 16

Foramen caecum and emissary veins pass through

Question 17

Where does A and B drain to?

Answer 17

A = cavernous sinus

B = pterygoid plexus in infratemporal fossa

Question 18

What are these veins and where are the draining to?

Answer 18

Emissary veins draining to the superior sagittal sinus

Question 19

Where are these veins draining to?

Answer 19

Facial vein

Question 20

What muscles is the pterygoid plexus near?

Answer 20

Masticatory muscles

Question 21

Where can these (B) veins drain into, 2 options?

Answer 21

Maxillary vein or pterygoid plexus

Question 22

What is the nerve for special sensation of the nose?

Answer 22

Olfactory nerve

Question 23

What nerves allow general sensation of the nose?

Answer 23

Ophthalmic

Maxillary

Question 24

What is olfaction?

Answer 24

Smell

Question 25

What branch of the ophthalmic allows general sensation to the nose?

Answer 25

Anterior ethmoidal

Question 26

What branches of the maxillary nerve allow for general sensation to the nose?

Answer 26

Nasopalatine

Infraorbital

Posterior lateral nasal branches of greater palatine nerve

Question 27

Answer 27

A = olfactory bulb

B = olfactory nerve

C = olfactory nerve (septal branches)

Question 28

What is the role of the olfactory bulb?

Answer 28

Sits on the cribreform plate and sending nerve to the top of the make, responsible for signalling

Question 29

What nerve is this, what does it supply and what major nerve is it a branch of?

Answer 29

Nerve = anterior ethmoidal

Supplies = lateral and anterior part of cartilage

Origin = ophthalmic nerve

Question 30

Answer 30

A = sphenopalatine foramen

B = posterior superior lateral nasal nerves

C = posterior inferior lateral nasal nerves

Question 31

Answer 31

Nasal branch of anterior superior alveolar nerve

Question 32

Where does the maxillary nerve end?

Answer 32

Infra-orbital nerve

Question 33

Innervation to septa

Answer 33

A = septal branch of anterior ethmoidal nerve

B = nasopalatine nerve

Question 34

A blow to the nose here, what is the nerve chain of events?

Answer 34

Anterior ethmoidal nerve carry sensation to the olfactory nerve