Nasal and Oral cavities

Question 1

the continuous free margin of nasal bone and frontal process of maxilla forming opening of nasal cavity

Answer 1

Piriform aperture

Question 2

What supplies the skin of the external nose?

Answer 2

Branches of: opthalmic and maxillary A.

Septal branches of facial A.

Question 3

What is the significance of the “danger triangle of the face”?

Answer 3

This enables infections from the nasal area to spread to the brain. It can cause cavernous sinus thrombosis, meningitis, brain abscess.

Question 4

Each chonae is bounded medially by?

Answer 4

vomer bone

Question 5

each chonae communicates with the

Answer 5

nasopharynx

Question 6

In the nasopharynx, you will find the opening for the auditory tube called

Answer 6

eustachian tube/pharyngotympanic

Question 7

When you enter the nasal cavity proper, what do you call the projections from the lateral wall?

Answer 7

Turbinates/conchae

Question 8

What nerve passes through the cribiform plate?

Answer 8

Olfactory nerve

Question 9

What are the parts that bound the roof of the oral cavity?

Answer 9

palatine process of the maxilla

horizontal plate of palatine bone

Question 10

What door do you pass through to enter the oropharynx?

Answer 10

oropharyngeal isthmus of fauces

Question 11

When you get brain freeze, what part do you feel the sensation of pain?

Answer 11

pain in the sphenopalatine ganglion

Question 12

What artery in the nasal septum orbit from the opthalmic artery?

Answer 12

anterior & posterior ethmoidal arteries

Question 13

kiesselbach’s area where arteries meet

Answer 13

superior Labial artery, anterior Ethmoidal artery, Greater palatine artery. Septal branch of the facial artery (LEGS)- Lbial,Ethmoidal,Greater,Septal

Question 14

opening of middle ethmoid sinus

Answer 14

ethmoid bulla

Question 15

opening of maxillary sinus

Answer 15

urinate process

Question 16

opening of nasolacrimal duct

Answer 16

inferior nasal meatus

Question 17

conchae that is part of ethmoid bone

Answer 17

superior,middle conchea

Question 18

independent cranial/facial bone

Answer 18

inferior conchae

Question 19

communication between oropharynx & pharynx

Answer 19

isthmus of fauces

Question 20

leading towards the frontonasal canal, and the frontal sinus communicates the cavity of the nose

Answer 20

Infundibulum

Question 21

deep curved groove or gutter
openings of maxillary sinus
Anterior ethmoidal air cells

Answer 21

Hiatus semilunaris

Question 22

prominent buldge, aperture of middle ethmoidal air cells

Answer 22

bulla ethmoidalis

Question 23

opening of posterior ethmoidal sinus

Answer 23

superior meatus

Question 24

this is a nasolacrimal duct, permits downward drainage to the inferior nasal meatus

Answer 24

valve of hasner

Question 25

the space at the lateral wall between the sphenoid above and the superior choncha below, the opening the sphenoidal sinus

Answer 25

sphenoethmoidal recess

Question 26

this opens to the nasopharynx at the level of the inferior meatus, equalize with the atmospheric air pressure

Answer 26

auditory tube

Question 27

The only structure NOT to empty out onto the lateral walls of the nasal cavity

Answer 27

sphenoid [Above this you can fine the hypophyseal fossa | (pituitary gland)]

Question 28

Lateral wall opposite the 2nd molar tooth

Answer 28

parotid gland ( stensen's duct)

Question 29

term for the joint of the teeth

Answer 29

gomphosis (etymology: to fasten, bolt together)

Question 30

What supplies the anterior 2/3 of the palatine /presulcal part?

Answer 30

vagus nerve CN X

Question 31

what supplies the posterior 1/3 of the parangeal/ postsulcal?

Answer 31

glossopharyngeal CN IX

Question 32

Remnant of this duct is FORAMEN CECUM

Answer 32

Thyroglossal duct cyst [persistence of thyroglossal duct through which embryonic thyroid gland descends from base of tongue]

Question 33

what gland has the stensens duct and ceosses the masseter muscle and pierces the buccinators and goes to the upper 2nd molar tooth

Answer 33

parotid gland

Question 34

superficial and deep, whartons duct is found here

Answer 34

submandibular gland

Question 35

has 18-20 ducts, ducts of rivunu's and bartholin's ducts are found here

Answer 35

sublingual

Question 36

contains the wharton's duct and bartholin's duct

Answer 36

sublingual papillae

Question 37

The vagus nerve has how many branches?

Answer 37

6 (MAPSCR)

Question 38

all muscles of the tongue is supplied by fibers of pharyngeal plexus (CN X - vagus nerve) EXCEPT FOR

Answer 38

Stylopharyngeus = CN XII, glossopharyngeal nerve (mnemonics: STYlish GLOSS)

Question 39

Recurrent laryngeal nerve will supply all the larynx muscles EXCEPT

Answer 39

cricothyroid (supplied by the external laryngeal n.)

Question 40

veins of the pharynx drain to the

Answer 40

pharyngeal venous plexus

Question 41

Pharyngeal venous plexus drains into the

Answer 41

IJV (internal jugular vein)