Nose/Mouth Flashcards
What is the upper third of the nose supported by?
Bone
What is the lower two-thirds of the nose supported by?
Cartilage
What is the medial wall of the nose formed by?
The nasal septum
*Supported by bone and cartilage
*Covered by vascular mucous membrane
What is the vestibule lined with?
Hair
What are turbinates of the nose?
Curving bony structures on the lateral side
*covered with mucous membranes
Where does the nasolacrimal duct drain into?
Inferior meatus
What are the functions of the nose?
Cleansing
Humidification
Temperature control of inspired air
What are sinuses?
Air-filled cavities within the bones of the skull
What are the four sinuses?
Maxillary*
Ethmoid
Frontal*
Sphenoid
*all lined with a mucous membrane
*can be palpated
What is rhinorrhea and nasal congestion?
Drainage from the nose
Sense of stuffiness or obstruction
What is the medical term for a nose bleed?
Epistaxis
What are some causes of epistaxis?
Trauma (nose-picking)
Inflammation
Drying and cresting of the nasal mucosa
Tumor
Foreign bodies
If there is tenderness of the nasal tip or ala what does that suggest?
Local infection
*furuncle
What should you avoid contact with with examining the nose?
The nasal septum
In viral rhinitis describe the mucosa
Reddened and swollen
In allergic rhinitis describe the mucosa
pale
Bluish
Red
What are nasal polyps?
Pale sack-like growths of inflamed tissues that can obstruct the air passage or sinuses
*benign
What is a labial frenulum?
A midline mucosal fold
*connects each lip with the gingiva
What is adjacent to the gingiva?
Alveolar mucosa
What is each tooth composed of?
Dentin
Where do nerves of the teeth enter?
Through the pulp canal and pulp chamber
How many adult teeth are there?
32
*1-16 right to left, upper jaw
*17-32 left to right, lower jaw
What is the front of the tongue covered with?
Papillae
*give the tongue its rough surface
Does the undersurface of the tongue have papillae?
No