4.1 The Upper Respiratory Tract Flashcards
Is the larynx in the upper or lower airways?
Upper (of course)
Fundamentally, what are tonsils?
Accumulations of lymphatic vessels
What is the name given to the posterior opening of the nasal cavity?
Choanae
What is encompassed within the nasopharynx?
Choanae to soft palate
What is the soft palate?
The muscular (not bony) part of the back of the roof of the mouth.
What is encompassed within the oropharynx?
Between the palate and the superior border epiglottis
What is encompassed within the laryngopharynx?
Connects oropharynx and oesophagus.
Posterior to larynx.
Draw the upper airways, including sections of the pharynx
What are the functions of the nasal cavity?
- Conduction of air
- Warming air
- Humidifying air
- Cleaning air (think: mucosa)
- Sense of smell
Is the nasal septum entirely made of cartilage?
No. There is also bone further back. This bone is called the ethmoid bone.
What are the three protrusions on each side of the nasal septum called?
Conchae (means muscle). There are superior, inferior, and middle conchae
Which of the conchae are projections of the ethmoid bone?
Superior and middle
What are the passages between the conchae called?
Nasal Meatus
What do the paranasal sinuses do? What are they?
- They are filled with air
- (finish this one)
What are the four paranasal sinuses?
- Frontal sinuses
- Maxillary sinuses
- Ethmoidal sinuses
- Sphenoid sinuses
What other type of duct is connected to the nasal cavity (think: superhero)
Tear duct. This is why you need a tissue when you cry
Where are the frontal sinuses located?
Lower part of the forehead, over the eye sockets and eyebrows
Which sinuses drain into the ethmoidal bulla?
WHere is the ethmoidal bulla located?
[follow up on trumpet comment]
What is an enlarged pharyngeal tonsil called?
Adenoid
What are the names of the bones in the middle ear?
Look more into the middle ear
Which is the only bone in the body that is not connected to any other bone?
The Hyoid bone.
