nasal cavity

Question 1

the skeletal framework of the nasal cavity

Answer 1

bonr and cartilaeg

Question 2

the anterior region of teh nasla cavity is enclosed by the

Answer 2

external nose

Question 3

the posteriro region of teh nasal cavity is

Answer 3

central within the skull

Question 4

what are teh nares

Answer 4

the anterior apertures that open into the inferior base of the nasal cavity

Question 5

whjat are teh choanae

Answer 5

the posterior aperatures that open into teh nasopharynx

Question 6

the nasal cavity is seperated by

Answer 6

cranial cavity , frontal spehnoid ethmoid
hard palate
midline nasal septum

Question 7

the external nose posteior parts are

Answer 7

bony : nasal bones and parts of teh maxilla

Question 8

the external nose anteror parts are

Answer 8

cartilaginous
midline : single septal cartillage anterior aspect of the nasal septum
on each side ; lateral process of spetal cartiallage, major alar cartillage and 3-4 minor alar cartillage

Question 9

the floor of the nasal cavity consists of

Answer 9

hardpalate : palatine process of maxilla and the horizantel plate of palatine bone
soft tissuesof teh external nose

Question 10

the openings in the floor of the nasal cavity

Answer 10

nares and teh incisive canal

Question 11

the roof of the nasal cavity

Answer 11

cribriform plate of ethmoid bone

Question 12

anterior part of the roof of teh nasal cavity is formed by

Answer 12

nasal spine of frontal bones
nasal bones
laterla process of septal cartillage and the major alar cartillage

Question 13

the medial wall of the nasal cavity

Answer 13

mucosa covered wall
anteriorly septal nasal cartillage
posteriorly ; mainly the vomer and teh ethmoid bbone

Question 14

the lateral wall of the nasal cavity consists of

Answer 14

inferior conchae
ethmoidal labyrinth and uncinate process
perpendicular plaet of palatine bone
medial plaet of pterygoid process of spehnoid bone
medial surface of teh lacrimal and the maxillae

Question 15

the conchae of teh lateral wall of teh nasal cavity projects in what direction

Answer 15

medially inferiorly

Question 16

thr space below each conchae is called the

Answer 16

meatus

Question 17

semilunar hiatus

Answer 17

opening underneath teh ethmoidal bulla
location to the oepnings of the anteriro ethmoidal sinus , maxillary and frontal sinus in the middle nasal meatus

Question 18

nasolacrimal duct

Answer 18

the tears of theye drain there
inferior nasal meatus

Question 19

what divides teh nose into 4 air channels

Answer 19

the conchae

Question 20

name the meatus and the recess

Answer 20

suerior, inferiro , middle meatus and the spehonethmoidal recess between teh superiro nasal concha and the roof of he nasal cavity

Question 21

what are the three general regions of the nasal cavity

Answer 21

nasal vestibule contaons hair follicles and covered by skin, respiratory region largest region rich in neurovascular supply , olfactory region at the apex of each nasal cavity

Question 22

blood supply pf the nasal cavity

Answer 22

sphenopaltine arteyr : largest terminal branch of the maxillary artery
greater palatine arteyr branch of teh maxillary aretry going throughteh incisive canal
opthalmic arteyr branches
facial

Question 23

where is teh anastomses located in teh nos e

Answer 23

anteriro region of teh medial wall

Question 24

anastomses area is callled

Answer 24

kisselbachs area

Question 25

anothe rname for nosebleeds

Answer 25

epistaxis

Question 25

nerve supplyof teh nasal cavity

Answer 25

olfactory nerve special sense
general senstaion : nasal branches from the maxillary nerve
bramches from teh opthalmic nerve

Question 26

paranasla sinus

Answer 26

frontal, maxillary , ethmoidal air cells , sphenoidal

Question 27

Features of the paranasal sinuses

Answer 27

covered with respiratory mucosa, ciliated and mucous secreting
mainly draisn into the middle nasal meatus
innervated by teh trigeminal nerve

Question 28

teh function of the nasal sinus

Answer 28

give resonance to tehvoooice and lighten the weight of the skull