Block 4: Nasal Cavity & Palate

Front 1

Nasal cavity opens posteriorly to

Back 1

Choanae

Front 2

Sphenopalatine foramen from nasal cavity openins into ____, which connects with the infratemporal fossa

Back 2

Pterygopalatine

Front 3

Nasal septum made of (3)

Back 3

Ethmoid, vomer, cartilage

Front 4

Function of choncha

Back 4

Warm, humidify, turbinate clean the air we breath

Front 5

___ choncha are part of ethmoid

Back 5

Superior and middle

Front 6

Major structure behind inferior concha

Back 6

Opening of auditory tube

Front 7

Space above superior choncha
Space below superior choncha
Space below middle choncha
Space below inferior choncha

Back 7

Sphenoethmoidal recess
Superior meatus
Middle meatus
Inferior meatus

Front 8

Sphenoethmoidal recess drains ____ sinus

Back 8

Sphenoidal

Front 9

Superior meatus drains ____ sinus

Back 9

Posterior ethmoidal

Front 10

Middle meatus drains ____ sinus

Back 10

1. MIddle ethmoidal (via bulla)
2. Anterior ethmoidal
3. Maxillary
4. Frontal

Front 11

INferior meatus drains ____ sinus

Back 11

Nasolacrimal duct

Front 12

Part of nose containing hair

Back 12

Vestibule

Front 13

Divisions of epithelium in nasal cavity

Back 13

Respiratory
Olfactory

Front 14

Respiratory epithelium location
Olfactory epithelium location

Back 14

Lower mucosa
Upper muscosa

Front 15

Sphenopalatine and greater palatine aa. are branches from

Back 15

Maxillary a.

Front 16

Anterior and posterior ethmoidal aa. are branches from

Back 16

Ophthalmic a.

Front 17

Lymphatics of the nasal cavity drain to ___ nodes

Back 17

Retropharyngeal

Front 18

Nasal cavity veins have communication with ____ sinus and ____ plexus

Back 18

Cavernous; palatine

Front 19

Epistaxis =

Back 19

Nosebleed

Front 20

90% of epistaxis comes from

Back 20

Anterior nasal cavity

Front 21

-Kiesselbach's area =
-Kiesselbach's plexus

Back 21

-Anteroinferior septum that is origin of most nosebleeds
-Anterior ethmoids & superior labial & some sphenopalatine anastomoses

Front 22

Other 10% of nosebleeds are posterior bleeds caused by ___ a.

Back 22

Sphenopalatine

Front 23

-General sensation of nasal cavity (touch, temp etc) by ___ & ____ nn.

Back 23

Anterior ethmoidal
Nasopalatine

Front 24

Anterior ethmoid n. is a branch of ____, which is a branch of _____

Back 24

Nasociliary; opthalmic division of V

Front 25

Nasopalatine is a branch of

Back 25

V.2 (maxillary division)

Front 26

Innervation of nasal mucous glands
-Paraysympathetic
-Sympathetic (via blood vessels)

Back 26

-Branches of facial n. from Ptergyopalatine ganglion
-Deep petrosal

Front 27

Paranasal air sinuses (FEMS)

Back 27

Frontal
Ethmoid
Maxillary
Sphenoid

Front 28

Sphenoid sinus is deep to ___- gland

Back 28

Pituitary

Front 29

Blockage of ___ sinus may cause infection to eye

Back 29

Ethmoid

Front 30

Nerves responsible for tooth ache with maxillary sinus infection

Back 30

Anterior and posterior superior alveolar (branches of V2)

Front 31

___ sinus is hard to drain because opening is superior to the sinus

Back 31

Maxillary

Front 32

___ is elevated during swallowing to close off oropharynx

Back 32

Soft palate

Front 33

Greater palatine foramen transmits

Back 33

Greater and lesser palatine nn.
Descending palatine a.

Front 34

Greater palate innervates
Lesser -

Back 34

Hard palate
Soft palate

Front 35

Descending palatine a. branches from

Back 35

Sphenopalatine

Front 36

____ travels through incisve foramen

Back 36

Nasopalatine

Front 37

Tensor Veli Palatini
-O
-I
-A
-N
-V

Back 37

-scaphoid fossa, lateral wall of the auditory tube cartilage
-palatine aponeurosis
-opens the auditory tube; tenses the soft palate
-mandibular division of the trigeminal nerve (V)
-ascending pharyngeal a.

Front 38

Levator veli palatini
-O
-I
-A
-N
-V

Back 38

-petrous part of the temporal bone and the medial surface of the auditory tube cartilage
-muscles and fascia of the soft palate; palatine aponeurosis
-elevates the soft palate
-vagus nerve (X) via the pharyngeal plexus
-ascending pharyngeal a.

Front 39

Palatoglossus
-O
-I
-A
-N
-V

Back 39

-palatine aponeurosis
-side of the tongue, entering it from above
-elevates and retracts the tongue
-vagus nerve (X) via the pharyngeal plexus
-tonsilar branch of the facial a., ascending pharyngeal a.

Front 40

Palatopharyngeus
-O
-I
-A
-N
-V

Back 40

-posterior bony palate and the palatine aponeurosis
-posterior wall of the pharynx and the posterior margin of the thyroid cartilage
-elevates the larynx
-vagus nerve (X) via pharyngeal plexus
-ascending pharyngeal a.

Front 41

All palate mm. innervated by __, except tensor, which is ____

Back 41

CN X: V3 (mandibular)

Front 42

Uvula
-O
-I
-A
-N
-V

Back 42

-posterior nasal spine
-mucosa of the uvula
-shortens the uvula
-vagus nerve (X) via pharyngeal plexus
-lesser palatine a.

Front 43

Hard palate general sensation

Back 43

Greater palatine, nasopalatine

Front 44

____ wraps around hammulus of medial pterygoid

Back 44

Tensor veli palatini

Front 45

Efferent Gag reflex tests CN:

Back 45

CN X

Front 46

Afferent limb of gag reflex is ____ n. which innervates the pharyngeal mucosa

Back 46

glossopharyngeal

Front 47

-Anterior cleft palate formed by improper fusion of ____
-Cleft location in relation to incisive foramen
-Incidence

Back 47

-Secondary palate (media nasal processes and maxillary processes)
-Anterior
-1:1000

Front 48

Posterior cleft palate formed by improper fusion of ____
-Cleft location in relation to incisive foramen
-Incidence

Back 48

-Parts of secondary palate (maxillary process)
-Posterior
-1:2500