Special Senses: Nose & Paranasal Sinuses

Question 0

Parts of the Nose: superior angle

Answer 0

Root

Question 1

Projects from the face. Vary in size and shape because of differences in nasal cartilage.

Answer 1

Nose

Question 2

Parts of the Nose: tip

Answer 2

Apex

Question 3

Parts of the Nose: two piriform openings

Answer 3

Nares

Question 4

Parts of the Nose: lateral boundaries

Answer 4

Alae

Question 5

Parts of the Nose: middle septum which separates two nares

Answer 5

Nasal septum

Question 6

Parts of the Nose: with stiff hairs

Answer 6

Vestibule

Question 7

Cartilaginous part of the external nose

Answer 7

2 lateral cartilage, 2 alar cartilage and 1 septal cartilage

Question 8

Divides the chamber of the nose into two nasal cavities

Answer 8

Nasal septum

Question 9

Component of Nasal septum: forms superior part of the nasal septum

Answer 9

Perpendicular plate of Ethmoid

Question 10

Nasal septum: thin flat bone

Answer 10

Vomer

Question 11

Nasal septum: articulates with bony septum

Answer 11

Septal cartilage

Question 12

Open posteriorly into the nasopharynx thru the choanae.

Answer 12

Nasal cavities

Question 13

Mucosa lines the nasal cavities except for

Answer 13

Vestibule

Question 14

Parts of the nasal mucosa: superior 1/3. Contains organ of smell.

Answer 14

Olfactory area

Question 15

Parts of the nasal mucosa: Inferior 2/3. Where air is warmed and moistened before it goes to respiratory tract.

Answer 15

Respiratory area

Question 16

Three scroll-shaped elevations. Superior, middle and inferior. Divide the nasal cavity into four passages.

Answer 16

Nasal concha

Question 17

Nasal passage: sphenoidal sinus

Answer 17

Sphenoethmoidal recess

Question 18

Nasal passage: posterior ethmoidal sinus

Answer 18

Superior meatus

Question 19

Nasal passage: anterior/middle ethmoidal sinus, frontal sinus & maxillary sinus.

Answer 19

Middle meatus

Question 20

Nasal passage: nasolacrimal duct

Answer 20

Inferior meatus

Question 21

Arterial supply of the nose and paranasal sinuses

Answer 21

Greater palatine artery, Lateral nasal branches of the facial artery, Ant & Post Ethmoidal artery, Superior labial artery and Sphenopalatine artery “GLASS”

Question 22

Anteriorly situated where all arteries anastomose, where nose bleeding occurs.

Answer 22

Kiesselbach’s area

Question 23

Venous drainage of the nose and paranasal sinuses

Answer 23

Sphenopalatine, Opthalmic & Facial veins “SOF”

Question 24

Nerve supply of the nasal septum

Answer 24

Posterior ethmoidal n, Anterior ethmoidal n, Nasopalatine n & Greater palatine n. "PANG"

Question 25

Nerve for olfaction or smell

Answer 25

Olfactory nerve. Olfactory bulb @ forebrain.m

Question 26

Air filled extensions of the respiratory part of the nasal cavity into the frontal, ethmoid, sphenoid & maxillary.

Answer 26

Paranasal sinuses

Question 27

Paranasal sinus: between outer and inner tables of frontal bone.

Answer 27

Frontal sinus

Question 28

Frontal sinus is detectable by

Answer 28

7 y/o

Question 29

Frontal sinus drains thru __________ into the infundibulum w/c opens into ________ hiatus of the ______ hiatus.

Answer 29

Frontonasal duct. Semilunar. Middle.

Question 30

Nerve supply of the frontal sinus

Answer 30

Branch of the supraorbital nerve

Question 31

Paranasal sinus: comprise several cavities. ________ cells. At ethmoid bone. Three parts: anterior, posterior and middle.

Answer 31

Ethmoid sinus. Ethmoid cells.

Question 32

Part of Ethmoid sinus: drain into superior meatus

Answer 32

Posterior

Question 33

Part of Ethmoid sinus: drain into middle meatus

Answer 33

Anterior

Question 34

Part of Ethmoid sinus: forms ethmoidal bulbs. Drain into this meatus.

Answer 34

Middle

Question 35

Nerve supply of the Ethmoidal sinus

Answer 35

Nasociliary nerve (CN VI)

Question 36

Paranasal sinus: unevenly divided. Body of sphenoid. Separated by thin plates of bone from optic nerve and chiasma, ICA & Pituitary gland.

Answer 36

Sphenoidal sinus

Question 37

Sphenoidal sinus opens into the

Answer 37

Sphenoethmoidal recess

Question 38

Nerve supply of the sphenoidal sinus

Answer 38

Posterior ethmoidal nerve

Question 39

Paranasal sinus: largest. Pyramidal shaped.

Answer 39

Maxillary sinus

Question 40

Parts of Maxillary sinus: apex

Answer 40

Into zygomatic bone

Question 41

Parts of Maxillary sinus: base

Answer 41

Part of nasal cavity

Question 42

Parts of Maxillary sinus: roof

Answer 42

Formed by floor of orbit

Question 43

Parts of Maxillary sinus: floor

Answer 43

Formed by the alveolar part of maxilla

Question 44

Maxillary sinus drains via _________ into __________.

Answer 44

Maxillary ostium. Middle meatus.

Question 45

Nerve supply of maxillary sinus

Answer 45

Superior alveolar nerves