Nasal Cavity

Question 1

Anterior opening of nasal cavity

Answer 1

Anterior Nares (your goddamn nose)

Question 2

Posterior opening of nasal cavity

Answer 2

Choanae (Posterior nares)

Question 3

Functions of the nasal cavity

Answer 3

Modifies air and senses smell

Question 4

Nasal cartilages

Answer 4

1) Septal cartilage

2) Alar cartilages

Question 5

Function of alar cartilages

Answer 5

Opening inferiorly directs inhalation towards mouth (smell what you eat)

Question 6

Cartilage surrounding medial side of nostrils

Answer 6

alar cartilages

Question 7

Fused to septal cartilage

Answer 7

lateral nasal cartilages

Question 8

Projections in nasal cavity that increase surface area

Answer 8

Nasal Conchae OR Turbinates

Question 9

Line nasal cavity

Answer 9

mucoperiosteum

Question 10

Floor of nasal cavity

Answer 10

Maxillary Bone (Palatine Process) and Palatine Bone (Horizontal Plate)

Question 11

Roof of nasal cavity

Answer 11

1) nasal bone
2) frontal bone
3) cribiform plate of ethmoid bone
4) sphenoid bone

Question 12

Medial boundary of nasal cavity

Answer 12

1) septal cartilage
2) perpendicular plate of ethmoid bone
3) vomer (bone)

Question 13

Result of fracturing nose and breaking cribiform plate

Answer 13

Cribiform plate is floor of anterior cranial fossa. CSF can leak from the nose and also lead to meningitis

Question 14

Lateral wall of nasal cavity

Answer 14

1) nasal bone
2) maxillary bone
3) inferior concha
4) palatine bone
5) ethmoid bone
6) sphenoid bone

Question 15

Superior and Middle (nasal) concha are part of which bone

Answer 15

Ethmoid

Question 16

What bone is the inferior (nasal) concha part of?

Answer 16

Trick question. It is a bone idiot.

Question 17

Spaces in the nasal cavity, ordered superior to inferior

Answer 17

1) spheno-ethmoidal recess (above sup. concha)
2) superior meatus (below sup. concha)
3) middle meatus (below mid. concha)
4) inferior meatus (below inf. concha)

Question 18

Rounded elevation below Middle Concha. Formed by projection of Middle Ethmoidal air cells

Answer 18

Ethmoidal Bulla

Question 19

C-shaped slit below ethmoidal bulla

Answer 19

Hiatus Semilunaris

Question 20

Anterior part of hiatus semilunaris

Answer 20

infundibulum