Week 2 Wet

Question 1

3 cranial fossa

Answer 1

anterior, middle and posterior

Question 2

bones of anterior fossa floor

Answer 2

frontal, ethmoid and sphenoid

Question 3

bones of middle fossa floor

Answer 3

sphenoid and temporal

Question 4

bones of posterior fossa floor

Answer 4

temporal and occipital

Question 5

which bone do the nasal bones articulate with superiorly

Answer 5

frontal

Question 6

bones which form the nasal septum

Answer 6

vomer inferiorly and perpendicular plate of ethmoid superiorly

Question 7

bones that make the floor of nasal cavity

Answer 7

maxillary and palatine

Question 8

bone of inferior concha

Answer 8

it is a bone by itself

Question 9

bone of superior and middle concha

Answer 9

ethmoid bone

Question 10

what sinus sits right behind the nasal cavity

Answer 10

sphenoid sinus

Question 11

what is the crista gali

Answer 11

a prominence of the ethmoid bone which points superiorly

Question 12

what kind of epithelium lines the nasal cavity

Answer 12

ciliated pseudostratified squamous

Question 13

spaces inbetween concha from inf to sup

Answer 13

inferior meatus
middle meatus
superior meatus
spheno-ethmoidal recess

Question 14

artery of the nose

Answer 14

opthalmic artery

Question 15

what neck artery is the opthalmic artery a branch of

Answer 15

internal carotid

Question 16

which sinus is most vulnerable to infections and why

Answer 16

maxillary - it drains from its superior aspect so has residual content

Question 17

4 paranasal sinuses

Answer 17

frontal, maxillary, ethmoidal air cells and sphenoid

Question 18

meatus that sphenoid sinus is connected to

Answer 18

spheno-ethmoidal recess

Question 19

meatus(es) that ethmoidal air cells open into

Answer 19

superior (just posterior air cells) and middle

Question 20

what drains into the inferior meatus

Answer 20

nasolacrimal duct

Question 21

which air sinuses floor is indented by teeth

Answer 21

maxillary

Question 22

innervation of air sinuses

Answer 22

frontal - V1
ethmoidal air cells - V1
sphenoid - V1 and V2
maxillary - V2

remember FESM

Question 23

what bone forms the roof of the nasopharynx

Answer 23

sphenoid

Question 24

what bone form the roof of the nasal cavity

Answer 24

ethmoid and sphenoid at the back

Question 25

where are the adenoids

Answer 25

beneath the epithelium of roof and posterior wall of nasopharynx

Question 26

what are adenoids

Answer 26

aka nasopharyngeal tonsils. They are collections of lymphoid tissue

Question 27

muscle that attaches to the nasopharynx opening of eustachian tube

Answer 27

salpingopharyngeus

Question 28

when are adenoids most prominent

Answer 28

in childhood

Question 29

which part of the ear does the eustachian tube connect to

Answer 29

middle ear (where the ossicles are)