Sinonasal

Question 1

Roof of nasal cavity

Answer 1

Cribriform plate

Question 2

Floor of nasal cavity

Answer 2

Hard and soft palate

Question 3

Lateral wall of nasal cavity

Answer 3

Lateral nasal wall with attached turbinates

Question 4

Postero-superior nasal bony septum

Answer 4

Perpendicular plate of ethmoid

Question 5

Postero-inferior nasal bony septum

Answer 5

Vomer

Question 6

Superior attachment of middle turbinate to cribriform plate

Answer 6

Vertical lamella

Question 7

Posterior and lateral attachment of middle turbinate to lamina papyracea

Answer 7

Via basal lamella

Question 8

Superior meatus recieves drainage from

Answer 8

Posterior ethmoid cells at sphenoethmoidal recess

Question 9

Positioned at superior aspect of ostiomeatal complex and recieves drainage from anterior ethmoid air cells

Also protrudes inferomedially into infundibulum or hiatus semilunaris

Answer 9

Ethmoid bulla

Question 10

Between uncinate process and ethmoid bulla, receives drainage from anterior ethmoid air cells and maxillary sinus via infundibulum

Answer 10

Hiatus semilunaris

Question 11

Inferior meatus receives drainage from

Answer 11

nasolacrimal duct anteriorly

Question 12

Ethmoid sinus is separated into anterior and posterior parts by

Answer 12

Basal lamella

Question 13

Maxillary sinus drain into

Answer 13

Maxillary ostium to hiatus semilunaris at middle meatus

Question 14

Ethmoid sinus drain anteriorly at

Answer 14

Hiatus semilunaris and middle meatus

Question 15

Posterior drainage of ethmoid sinus

Answer 15

Superior meatus and sphenoethmoidal recess

Question 16

Frontal recess drain into

Answer 16

Frontal recess into middle meatus

Question 17

Sphenoid sinus drain into

Answer 17

Sphenoethmoidal recess

Question 18

Infraorbital ethmoid cell

Answer 18

Haller cells

Question 19

Ethmoid air cells that extend into inferomedial orbital floor

Answer 19

Haller cells

Question 20

Most anterior air cells that involve lacrimal bone or maxilla

Answer 20

Agger nasi cells

Question 21

Posterior ethmoid air cells are with prominent superolateral pneumatization with close relationship to the optic nerve

Answer 21

Onodi cells (sphenoethmoidal cells)

Question 22

Major crossroads between nasal cavity, masticator space, orbit and middle cranial fossa

Answer 22

Ptertgopalatine fossa

Question 23

Nasal mucosa and sensory nerves traverse

Answer 23

Cribriform plate

Question 24

Ostiomeatal unit include

Answer 24

Superomedial maxillary sinus
maxillary infundibulum
Uncinate process
Ethmoid bulla
Hiatus semilunaris
Middle meatus

Question 25

Ostiomeatal unit recieves drainage from

Answer 25

Frontal, anterior ethmoid and maxillary sinuses

Question 26

Defines the wall of maxillary infundibulum

Answer 26

Uncinate process

Question 27

Aeration of nasal turbinate, most commonly middle turbinate

Answer 27

Concha bullosa

Question 28

Anterior wall of pterygopalatine fossa

Answer 28

Posterior wall of maxillary sinus

Question 29

Posterior wall of pterygopalatine fossa

Answer 29

Pterygoid plates and inferior aspect of lesser wing of sphenoid bone

Question 30

Roof of pterygopalatine fossa

Answer 30

Inferior orbital fissure

Question 31

Floor of pterygopalatine fossa

Answer 31

Narrowing to palatine canals

Question 32

Medial wall of pterygopalatine fossa

Answer 32

Perpendicular plate of palatine bone with sphenopalatine foramen

Question 33

Lateral wall of pterygopalatine fossa

Answer 33

Narrowing to pterygaxillary fissure

Question 34

Critical contents of pterygopalatine fossa

Answer 34

Pterygopalatine ganglion

Maxillary nerve via foramen rotundum

Question 35

Lateral opening into the nasopharyngeal masticator space, between the maxilla and lateral pterygoid plate

Answer 35

Pterygomaxillary fissure

Question 36

Medial opening into superior meatus

Answer 36

Sphenopalatine foramen

Question 37

Posterior opening to middle cranial fossa that transmits maxillary nerve

Answer 37

Foramen rotundum

Question 38

Posterior opening below foramen rotundun that extends posteriorly to foramen lacerum (transmits vidian nerve)

Answer 38

Vidian canal

Question 39

Anterior opening into orbit

Answer 39

Inferior orbital fissure

Question 40

Transmits infraorbital nerve and artery

Answer 40

Inferior orbital fissure

Question 41

Inferior canal leading to greater and lesser palatine foramina to oral cavity

Answer 41

Pterygopalatine canal

Question 42

Transmits descending palatine nerve and artery

Answer 42

Pterygopalatine canal