Respiratory Anatomy: Upper respiratory tract

Question 1

What 4 passageways make up the upper respiratory tract

Answer 1

• Nasal cavity
• Oral cavity
• Pharynx
• Larynx

Question 2

2. From where to where does the nasal cavity start and stop

Answer 2

From the nasal vestibule to the nasal choanae

Question 3

Where does the nasal cavity open into

Answer 3

into the nasopharynx

Question 4

4. Where do the paranasal sinuses drain into

Answer 4

drain into openings between the nasal conchae

Question 5

5. what separates the nasal cavities in the midline

Answer 5

bone and cartilage

Question 6

8. what does the nasal conchae do

Answer 6

create turbulent air flow

Question 7

9. What does ciliated mucosa in the nasal cavity do

Answer 7

warms and moistens air, and traps particulate matter

Question 8

10. Where does inspired air pass to from the nasal choanae

Answer 8

passes into the nasopharynx

Question 9

11. What type of nerves innervate the olfactory regions of the nasal canal and what are they associated with

Answer 9

• Innervated by olfactory nerves
• Associated with sense of smell

Question 10

12. What 2 things are found in the nasopharynx

Answer 10

• Pharyngeal tonsil
• Pharyngotympanic tube

Question 11

13. The soft palate can depress or elevate to isolate what?

Answer 11

to isolate the nasal or oral cavities

Question 12

14. The epiglottis can depress or elevate to close or open what?

Answer 12

to close or open the larynx

Question 13

15. Give 3 features of the larynx

Answer 13

• Passageway into the trachea
• Phonation
• Protection of airway

Question 14

what are the 3 unpaired cartilages in the larynx

Answer 14

3 unpaired cartilages:
- Epiglottis
- Thyroid
- Cricoid

Question 15

what are the 3 paired cartilages in the larynx

Answer 15

3 paired cartilages:
- arytenoid
- corniculate
- cuneiform

Question 16

what are 3 associated tissue groups in the larynx

Answer 16

3 associated tissue groups:
- associated membranes
- muscles
- ligaments