ANATOMY - nasal cavity and paranasal sinuses

Question 1

whats the bit in between your nasal septum and upper lip called

Answer 1

philtrum

Question 2

which bone makes up the front of the nasal septum

Answer 2

not a bone - just septal cartilage

Question 3

which 2 bones make up the bottom of the medial wall of the nasal septum

Answer 3

vomer (long at thin one)

palatine (small)

Question 4

apart from the vomer and palatine bone, which other bone makes up the medial wall of the nasal septum

Answer 4

ethmoid

Question 5

where does sphenoid sinus drain

Answer 5

sphenoethmoidal recess (above superior concha)

Question 6

where does posterior ethmoidal air cells drain

Answer 6

superior meatus

Question 7

where does middle ethmoidal air cells drain

Answer 7

middle meatus

Question 8

where does anterior ethmoidal air cells drain

Answer 8

middle meatus

Question 9

where does frontal sinus drain

Answer 9

middle meatus

Question 10

where does maxillary sinus drain

Answer 10

middle meatus

Question 11

where does lacrimal duct (with lacrimal fluid/tears) drain

Answer 11

inferior meatus

Question 12

what is between the superior and middle concha

Answer 12

superior meatus

Question 13

what is between the middle and inferior concha

Answer 13

middle meatus

Question 14

what is below the inferior concha

Answer 14

inferior meatus

Question 15

what is above/behind the superior concha

Answer 15

sphenoethmoidal recess

Question 16

in which cavity does the Eustachian tube drains

Answer 16

nasopharynx

Question 17

alternative name for the nasal concha

Answer 17

nasal turbinates

Question 18

which part of the ethmoid bone separates the anterior cranial fossa with the nasal cavity

Answer 18

cribiform plate (horizontal line across the top)

Question 19

which bone is the superior and middle conchae part of

Answer 19

ethmoid bone

Question 20

which bone is the inferior concha part of

Answer 20

its not - its a bone on its own

Question 21

which part of the ethmoid bone supplies the septum/medial wall of the nasal cavity

Answer 21

perpendicular plate

Question 22

what is the bit of the ethmoid bone that points up into the anterior cranial fossa, high than the cribiform plate

Answer 22

crista galli

Question 23

cranial foramen of CN I olfactory

Answer 23

cribiform plate of ethmoid bone

Question 24

what is the anastomosis of arteries in the anterior 1/3 of the medial wall/septum of the nose called (2 names)

Answer 24

kiesselbachs area/smalls area

Question 25

alternative name of maxillary sinuses (clinical name)

Answer 25

antra

Question 26

how many pairs of ethmoidal air cells are there

Answer 26

3 pairs

Question 27

what are the 4 paranasal sinuses

Answer 27

2 frontal sinuses
2 maxillary sinuses (antra)
6 ethmoidal air cells
2 sphenoid sinuses

Question 28

doing what procedure may cause a nose bleed (by hitting the hiesselbachs/littles area)

Answer 28

inserting a nasogastric tube