nose

Question 1

a prominent depression bw the frontal and nasal bones

Answer 1

root

Question 2

extends from the root of the nose to the apex of the nose

Answer 2

dorsum of the nose

Question 3

pear shaped apertures seen in the interior surface of the nose bound to the alar laterally

Answer 3

nares/nostrils

Question 4

lateral boundary of the nose

Answer 4

alar (wings) of the nose

Question 5

divides the chamber of the nose into two nasal cavities

Answer 5

nasal septum

Question 6

cartilage found at the middle dividing the right and left sides of the nose

Answer 6

septal cartilage

Question 7

forms the superior part of the nasal septum

Answer 7

perpendicular plate of the ethmoid

Question 8

other name for septal cartilage being known for having 4 corners

Answer 8

quadrangular cartilage

Question 9

nasal cavity open posteriorly into the nasopharynx thru the ______

Answer 9

choanae

Question 10

whole nasal cavity is lined with mucosa except

Answer 10

nasal vestibule wc is covered by skin

Question 11

composition of nasal cavity

Answer 11

respiratory area
superior 1/3 of the olfactory area
inferior 2/3 of the nasal mucosa

Question 12

curve inferomedially, hanging like louvers or short curtains from the lateral wall of the nasal cavity(?)

Answer 12

nasal conchae/turbinates

Question 13

type of covering in conchaes or turbinates

Answer 13

pseudostratified columnar ciliated epithelium

Question 14

type of air flow that passes thru surface before pharynx

Answer 14

laminar flow = increase in surface area

Question 15

wc concha is longest and broadest

formed by an independent bone

Answer 15

inferior concha

Question 16

5 passage of nasal concha

Answer 16

sphenoethmoidal recess
nasal meatuses
common meatuse

Question 17

drainage of the superior ethmoid cells

Answer 17

superior nasal meatus

Question 18

meatus where maxillary sinus, ant. ethmoid sinus, frontal sinus drain

Answer 18

middle nasal meatus

Question 19

drainage of sphenoid sinus

Answer 19

sphenoethmoidal recess

Question 20

a FUNNEL-SHAPED OPENING at the anteriorsuperior part of middle nasal meatus

Answer 20

Ethmoidal infundibulum

Question 21

SEMICIRCULAR GROIVE bw the uncinate process & ethmoidal bulla

Answer 21

Semilunar hiatus/

Hiatus semilunaris

Question 22

a ROUNDED SWELLING/ELEVATION located superior to the semilunar hiatus

Answer 22

Ethmoidal bulla

Question 23

main blood supply of the nose

Answer 23

sphenopalatine artery

medial nya ang IM
branch of external carotid artery

Question 24

group of arteries that come from the roof of the nose, galing sa harap

Answer 24

ethmoid arteries

Question 25

group of arteries located inferiorly and will give rise thru the incisive foramen, some contributions to the nasal septum

Answer 25

palatine arteries

Question 26

anterior part of nasal septum

Answer 26

little’s area

or

kiesselbach plexus

Question 27

area most prone to bleeding

Answer 27

little’s area

Question 28

VENOUS DRAINAGE

important in thermotegulation
exchanges heat and warms air before it enters the lungs

provides venous drainage of the nose via
sphenopalatine vein
facial vein
ophthalmic vein

Answer 28

submucosal venous plexus

Question 29

fibers in olfactory bulb that pierce the cribiform plate

Answer 29

olfactory fibers

innervates the olfactory mucosa

Question 30

where the receptors for the sense of smell is located

Answer 30

olfactory mucosa

Question 31

sour smell, pain, hot, and cold sensations

Answer 31

cn v

trigeminal nerve

Question 32

innervates the anterior and superior portion of the nasal cavity

Answer 32

CN V1

ophthalmic division

Question 33

innervates post and inf portions if the nasal cavity, sup portion of the oral cavity and the hard palate

Answer 33

CN V2

Maxillary division

Question 34

the parasympathetic and sympathetic innervations will pass thru the ___ canal and ____ nerve

Answer 34

vidian canal and vidian nerve

Question 35

greater superficial petrosal nerve from the facial nerve and sympathetic branch from the carotid plexus is under ___ nerve

Answer 35

vidian

Question 36

sinuse present at birth

Answer 36

maxillary and anterior ethmoidal sinuses

Question 37

sinus detectable by 7 years of age

Answer 37

frontal sinus

Question 38

2 sinuses that drain into middle meatus

Answer 38

frontal and maxillary

Question 39

innervation of frontal sinus

Answer 39

cn v1 supraorbital nerve branches

Question 40

common area where the frontal sinus, max sinus, and ant ethmoid air cells are drained

Answer 40

osteomeatal complex

blockages of this may lead to sinusitis

Question 41

bulging of these air cells results to bulging eyes

Answer 41

abscess in the ethmoid air cells

Question 42

if the nasal drainage is blocked, would the orbit be affected?

Answer 42

infections of the ethmoidal cells may reach medial wall of the orbit

may cause blindness since skme post eth crll lie close to optic canal

can cause optic neuritis (affected dural nerve sheath)

Question 43

to expose ethmoid air cells, this should be temoved

Answer 43

lamina papyracea (thin bone that forms the medial wall of the orbit and the lateral wall of the ethmoid air cells)

Question 44

sinus below sella turcica and pituitary gland

Answer 44

sphenoid sinuses

Question 45

if maxillary sinus nabutas,

Answer 45

oroantral fistula

Question 46

largest of the paranasal sinuses

Answer 46

maxillary sinus