the nose

Question 1

what is the muscular tube located behind the larynx and nasal cavity?

Answer 1

pharynx

Question 2

what passes through the pharynx?

Answer 2

air and food get redirected through this tube

Question 3

what does the pharynx transition into?

Answer 3

esophagus

Question 4

what does the larynx transition into?

Answer 4

trachea

Question 5

how is the nasal cavity shaped?

Answer 5

pyramidal shape

Question 6

what allows to form the anterior opening of the nasal cavity?

Answer 6

nostrils

Question 7

what allows to form the posterior opening of the nasal cavity?

Answer 7

the nasopharynx via the chonanae

Question 8

what part of the sphenoid bone allows to redirect the flow back into the nasopharynx posteriorly?

Answer 8

o Medial pterygoid plate

Question 9

what connects the middle ear with the nasal cavity

Answer 9

o Pharyngotympanic tube in nasopharynx

Question 10

what is the function of the Pharyngotympanic tube in nasopharynx?

Answer 10

functions to equilibrate pressure on either side of the tympanic membrane allowing for normal hearing

Question 11

what is the anterior tip of the nose composed of?

Answer 11

cartilage
o Lateral nasal cartilage
o Alar cartilages

Question 12

what bones form the lateral wall of the nasal cavity?

Answer 12

• ethmoid bone
• frontal process of the maxilla
• vertical plate of the palatine bone
• lacrimal bone
• nasal bones

Question 13

what part of the ethmoid bone contributes to form the lateral wall of the nasal cavity?

Answer 13

the superior and middle conchae curl up into the nasal cavity

Question 14

what form the inferior concha?

Answer 14

the frontal process of the maxilla

Question 15

what bone is in close relationship to the nasal cavity?

Answer 15

sphenoid bone

Question 16

what bones form the floor of the nasal cavity?

Answer 16

maxilla (hard palate) 1and palatine bone

Question 17

what bones form the roof of the nasal cavity

Answer 17

• cribiform plate of the ethmoid bone
• sphenoid bone
• frontal bone
• nasal bone
• frontal process of the maxilla

Question 18

where is the medial wall of the nasal cavity located?

Answer 18

nasal septum

Question 19

what forms the superior half of the medial wall of the nasal cavity?

Answer 19

perpendicular plate of the ethmoid bone

Question 20

what forms the inferior half of the medial wall of the nasal cavity?

Answer 20

the vomer bone

Question 21

what cartilage forms the anterior nasal septum?

Answer 21

septal cartilage

Question 22

what is the posterior half of the nose composed of?

Answer 22

bones

Question 23

where does the nasal concha arise from?

Answer 23

from the lateral wall

Question 24

what lines the nasal conchae?

Answer 24

Lined with ciliated muscosal layer

Question 25

into how many spaces is the nasal cavity divided into due to the nasal conchae?

Answer 25

4

Question 26

what is the function of the nasal conchae?

Answer 26

that warms & humidifies the air before it enters the lungs

Question 27

what is the name of the spac that lies between the nasal conchae

Answer 27

nasal meatus

Question 28

what are the respective names of the nasal conchae?

Answer 28

superior, inferior and middle concha

Question 29

where is the Sphenoethomoidal recess located? and what is it?

Answer 29

o Small space located above the superior concha within the nasal cavity

Question 30

what is located laterally to the superior and middle conchae?

Answer 30

ethmoid air cells

Question 31

what are the Four paired air filled spaces located within the bones of the skull and that surround the nasal cavity

Answer 31

paranasal sinuses

Question 32

what is the function of the paranasal sinuses

Answer 32

produces mucous which helps moisturize the inside of the nose

Question 33

what is the fucntion of muscous in the paranasal sinuses

Answer 33

also Involved in protection against pollutants, microorganisms, dirt and dust

Question 34

what sinuses grow with age?

Answer 34

frontal and maxillary sinuses

Question 35

what sinuses are Located between the eyes in the ethmoid bone?

Answer 35

ethmoid sinuses

Question 36

what sinuses are located within the frontal bone between the eyes?

Answer 36

frontal sinuses

Question 37

where is the maxilla sinuses located and what are they closed off by?

Answer 37

within the maxilla between the eyes and get closed off by the middle conchae

Question 38

where is the sphenoid sinus located?

Answer 38

Located within the sphenoid bone posterior to the eyes

Question 39

why is pain felt at different regions when we have a sinus infections?

Answer 39

because different sinuses may be affected and are located at different places

Question 40

how is excess muscous in the paranasal sinuses drained?

Answer 40

-swalloed via connecton between oral and nasal cavities or excreted via the nose

Question 41

what sinus is responsible for the drainage of mucous in the sphenoethmoidal recess?

Answer 41

Sphenoidal sinus

Question 42

where is the Sphenoidal sinus located?

Answer 42

Located superior to the superior nasal concha

Question 43

what is responsible for the Drainage of the frontal, ethmoid and maxillary sinuses into the middle meatus

Answer 43

hiatus semilunaris

Question 44

what is the top half of the hiatus semilunaris connected to?

Answer 44

frontal sinus

Question 45

what is the bottom half of the hiatus semilunaris connected to?

Answer 45

maxillary sinus

Question 46

what is the region denotified as the Swelling of the tissues located along the superior border of the hiatus semilunaris

Answer 46

ethmoidal bulba

Question 47

what forms the ethmoidal bulla?

Answer 47

by middle air cells

Question 48

where do most of the middle air cells drain into?

Answer 48

middle meatus

Question 49

where are the middle air cells drained into?

Answer 49

superior and middle meatus

Question 50

what can enter through a small opening in the maxillary sinus

Answer 50

Inhaled air in the nasal cavity

Question 51

what sinus is in a close relationship with the teeth and the upper jaw

Answer 51

maxillary sinus

Question 52

what is also in close proximity of the maxillary sinus?

Answer 52

orbit of the eye

Question 53

what is the function of the lacrimal gland?

Answer 53

o Produces tears o Lubricates eyes o protects

Question 54

what happens when we blink?

Answer 54

o Eyes wash the tears and fluid over the eyeball from lateral to medial o Fluid drains in the superior and inferior lacrimal punctae

Question 55

what collects the tears and drains them into the lacrimal sac?

Answer 55

o Lacrimal punctae

Question 56

what drains into the nasal cavity inferior to the nasal concha?

Answer 56

o nasolacrimal duct

Question 57

where does the nasolacrimal duct open?

Answer 57

o opens into the nasal cavity within the inferior meatus

Question 58

what Nerve pass through the rough of the nasal cavity and pierce through the cribifom plate and foramina

Answer 58

olfactory N

Question 59

what nerves provide general sensory innervation to the nose?

Answer 59

-ophtalmic N & maxillary N

Question 60

what nerve innervates the top half of the nasal cavity?

Answer 60

ophtalmic N

Question 61

what nerve innervates the bottom half of the nasal cavity?

Answer 61

maxillary N

Question 62

what branches arise from the maxillary N?

Answer 62

nasal branches | nasopalatine N

Question 63

what N. • Innervate the lateral wall (inferior ½)?

Answer 63

nasal branches

Question 64

where do nasal branches travel trough?

Answer 64

o Enters the nasal cavity via the sphenopalatine foramen

Question 65

what N. travels along the nasal septum in an oblique fashion and enters via the incisive canal?

Answer 65

nasopalatine N

Question 66

what A. is a branch of the maxillary A and passes through the sphenopalatine foramen?

Answer 66

sphenopalatine A

Question 67

what travels along with the nasopalatine N?

Answer 67

nasopalatine A

Question 68

Which between the nasopalatine N or A. does not exit the nose?

Answer 68

A.

Question 69

what is the site of common nose bleed?

Answer 69

Kisselbach area

Question 70

the anastamoses of which A. forms the Kisselbach area?

Answer 70

o Ethmoid A, branches of facial A & Branches of the greater palatine A