Lecture 2- Anatomy of the Upper Respiratory System

Question 1

3 functions of the nose?

Answer 1

1. Air temperature and humidity regulation

Question 2

3 bones that are involved in the framework of the nose?

Answer 2

1. Frontal bone
2. Nasal bone
3. Maxilla

Question 3

What are the 5 cartilages associated with the nose?

Answer 3

1. Upper lateral nasal cartilage
2. Lower lateral nasal cartilage
3. Septal cartilage
4. Accessory cartilage
5. Lesser alar cartilage

Question 4

Anterior border of the nasal cavity?

Answer 4

Nostrils

Question 5

Posterior border of the nasal cavity?

Answer 5

Choanae

Question 6

What separates the nasal cavity from the inferior oral cavity?

Answer 6

Hard palate

Question 7

What separates the nasal cavity from the superior cranial cavity?

Answer 7

Frontal, ethmoid and sphenoid bones

Question 8

What divides the nasal cavity in the midline?

Answer 8

Nasal septum

Question 9

What are the 3 regions of the nasal cavity

Answer 9

1. Olfactory region
2. Respiratory region
3. Nasal vestibule

Question 10

Which nasal region is the small area at the apex of the nasal cavity?

Answer 10

Olfactory region

Question 11

Which nasal region is the largest part of the nasal cavity with a rich neurovascular supply?

Answer 11

Respiratory region

Question 12

Which nasal region is just internal to the nares?

Answer 12

Nasal vestibule

Question 13

What are the names given to the shelves of bone on the lateral walls of the nasal cavity?

Answer 13

Conchae

Question 14

Which nasal region is lined by skin and is covered in short hair follicles?

Answer 14

Nasal vestibule

Question 15

Which bone does the superior and middle concha of the lateral wall of the nasal cavity protrude from?

Answer 15

Ethmoid bone

Question 16

Between which concha is the superior nasal meatus?

Answer 16

Superior and middle conchae

Question 17

Between which concha is the inferior nasal meatus?

Answer 17

Inferior concha and nasal floor

Question 18

Where is the sphenoid-ehtmoidal recess within the nasal cavity?

Answer 18

Above the superior concha

Question 19

How many paranasal sinuses are there?

Answer 19

4

Question 20

How are the paranasal sinuses named?

Answer 20

By the bone in which they are found

Question 21

What lines the paranasal sinuses

Answer 21

Respiratory mucosa

Question 22

What is the function of the paranasal sinuses?

Answer 22

Allow drainage of mucus into the nasal cavities

Question 23

Where does the sphenoidal sinus open into in the nasal cavity?

Answer 23

Sphenoid-ethmoidal recess

Question 24

Where does the maxillary sinus open into in the nasal cavity?

Answer 24

Hiatus semilunaris

Question 25

Where does the frontal sinus open into in the nasal cavity?

Answer 25

Infundibulum

Question 26

Where do the posterior ethmoidal cells open into in the nasal cavity?

Answer 26

Lateral walls of the superior meatus

Question 27

Where do the ethmoidal cells open into in the nasal cavity

Answer 27

Bulla ethmoidalis

Question 28

Where do the anterior ethmoidal cells open into in the nasal cavity?

Answer 28

Infundibulum

Question 29

What are the 3 parts making up the pharynx?

Answer 29

1. Nasopharynx 2. Oropharynx 3. Laryngopharynx

Question 30

Into which part of the pharynx does the pharygotympanic tube open?

Answer 30

Nasopharynx

Question 31

What are the 3 tonsils?

Answer 31

1. Pharyngeal tonsils 2. Palatine tonsils 3. Lingual tonsils

Question 32

What is the function of the larynx?

Answer 32

Valve to close the respiratory tract and an instrument to produce sound

Question 33

Which larynx cartilage forms the vocal ligament?

Answer 33

Cricothyroid cartilage

Question 34

What nerve gives sensory innervation to the larynx superior to the vocal cords?

Answer 34

Superior laryngeal

Question 35

What nerve gives sensory innervation to the larynx below the vocal cords?

Answer 35

Recurrent laryngeal

Question 36

Which nerve gives motor supply to all the muscles (except the cricothyroid muscle) of the larynx?

Answer 36

Recurrent laryngeal