ENT Nose

Question 1

what parts of the nasal cavity does the ethmoid contribute to?

Answer 1

roof

lateral walls

septum

Question 2

what concha does the ethmoid bone make?

Answer 2

superior and middle

Question 3

what bone is below the inferior concha?

Answer 3

right palatine bone

Question 4

what can occur if the cribiform plate of the ethmoid is #?

Answer 4

anosmia

Question 5

what mucosa is in the nasal vestibule?

Answer 5

stratified squamous epithelium

Question 6

what 2 types of mucosa is in the nasal cavity?

Answer 6

olfactory

respiratory (Ciliated pseudostratified columnar epithelium with goblet cells)

Question 7

pathway of olfaction?

Answer 7

receptor cells in olfactory epithelium pass up through cribiform plate

synapse with olfactory bulb

pass along olfactory tract

end in temporal lobe and olfactory areas

Question 8

what does the olfactory bulb and receptor cells look like?

Answer 8

A TOOTHBRUSH

Question 9

what comes out the sphenopalatine foramne?

Answer 9

nasopalatine nerve (CNV2)

Question 10

what comes out the anterior ethmoidal foramen?

Answer 10

anterior ethmoidal nerve (CNV1)

Question 11

where does the blood supply of the face originate from?

Answer 11

ICA and ECA

Question 12

what 3 arteries exist in the face?

Answer 12

maxillary

facial

opthalmic

Question 13

what two arteries branch from the opthalmic?

Answer 13

anterior and posterior ethmoidal arteries

Question 14

what two arteries branch from the maxillary?

Answer 14

sphenopalatine and greater palatine arteries

Question 15

what two arteries branch from the facial artery?

Answer 15

lateral nasal and septal branches

Question 16

what is little’s area?

Answer 16

anastamosis occurs between arteries

Question 17

where is little’s area?

Answer 17

anteroinferiorly on the nasal septum

Question 18

what can trauma to little’s area cause?

Answer 18

epistaxis

Question 19

what order of structures would a NG tube pass through?

Answer 19

nostril

inferior meatus

oropharynx

laryngopharynx

oesophagus

Question 20

what are the four paranasal sinuses?

Answer 20

frontal

ethmoidal air cells

maxillary sinuses

sphenoid sinuses

Question 21

what lines the sinuses?

Answer 21

respiratory epithelium (Ciliated pseudostratified columnar epithelium with goblet cells)

Question 22

what drains into the inferior meatus?

Answer 22

nasolacrimal duct

Question 23

what drains into the ethmoidal bulla?

Answer 23

middle ethmoidal air cells

Question 24

what drains into the superior meatus?

Answer 24

posterior ethmoidal air cells

Question 25

what drains into the sphenoethmoidal recess?

Answer 25

sphenoid sinus

Question 26

what drains into the middle meatus? via what?

Answer 26

frontal

maxillary

anterior ethmoidal air cells

SEMILUNAR HIATUS

Question 27

where can pain from sinusitis be referred to?

Answer 27

teeth

Question 28

Answer 28

A - sphenoethmoidal recess

B - superior meatus

C - middle meatus
D - inferior meatus

1. superior nasal concha
2. middle nasal concha
3. inferior nasal concha

Question 29

Answer 29

1. nasal vestibule (Stratified squamous epithelium)

NASAL CAVITY

2. respiratory epithelium
3. olfactory epithelium

Question 30

LABEL

Answer 30

Question 31

nerve supply?

Answer 31

CNV1

CNV2