Exam 3 - Nose, Mouth, & Throat Flashcards
Function of the nose
Warms and moistens, filters inhaled air
Contained in nasal cavity
Vibrissae (nose hairs)
Nasal mucosa which is red b/c of rich blood supply
Divides nasal cavity medially
Septum
What is contained in the septum
Kiesselbach plexus (nose bleeds)
Function of turbinates
Increase surface area to better warm, humidify, and filter inhaled air
Cleft under each turbinate
Superior, middle, or inferior meatus
What are olfactory receptors?
Hair cells
Receptors for smell
What do olfactory receptors merge into?
Olfactory nerve (CN I)
Where is the vestibule located?
Just inside each nare
Divides the two nares and is continuous inside with the nasal septum
Columella
Lateral outside wing of nose on each side
Ala
Function of paranasal sinuses
Lighten the weight of the skull
Resonators for sound production
Provide mucous
Name the paranasal sinuses
Frontal
Maxillary
Ethmoid
Sphenoid
Where are the frontal sinuses located?
Frontal bone, above and medial to orbits
Where are the maxillary sinuses located?
In the maxilla (cheek bone), along side of nasal cavity
Where is the ethmoid sinus located?
Between orbits
Where is the sphenoid sinus located?
Deep in skull, in sphenoid bone
Which paranasal sinuses are palpable?
Frontal
Maxillary
Which paranasal sinuses are present at birth
Maxillary
Ethmoid
Function of tongue
Enhances functions in mastication, swallowing, teeth cleansing, speech formation
Larger papillae in inverted V shape at posterior base of tongue
Gallate papilla
Midline fold of tissue that connects tongue to floor of mouth
Frenulum
Name the pairs of salivary glands
Parotid gland
Submandibular gland
Sublingual gland
Largest salivary gland
Parotid gland
Smallest salivary gland
Sublingual gland
Salivary gland located beneath mandible at angle of jaw
Submandibular gland
Salivary gland that lies beneath floor of mouth, under tongue
Sublingual gland
Salivary gland located within the cheeks, in front of ear
Parotid gland
Duct for parotid gland and where does it open?
Stensen gland
Opens on buccal mucosa, opposite the second molar
Duct for submandibular gland and where is it located?
Wharton duct
Opens at floor of mouth, on either side of frenulum
Where are the sublingual gland openings?
Many small openings along sublingual fold, under tongue
Separated from mouth by anterior tonsillar pillar (fold of tissue on each side)
Oropharynx
What do tonsils look like?
Masses of lymphoid tissue
Granular with deep crypts
Behind tonsils, some small blood vessels may be visible
Posterior pharyngeal wall
What is a bifid uvula?
Uvula split partially or completely
Bony ridge in midline of hard palate
Torus palatines
Benign, milky, bluish-white opaque appearance of buccal mucosa. Commonly occurs in African Americans
Leukoedema
Who are dental caries more common in?
Rural residents Minorities Older adults Pregnant women Homeless Low income Institutionalized
What is poor oral health associated with?
Diabetes Coronary artery disease Peripheral vascular disease Metabolic syndrome (Possibly due to chronic inflammation)
What is perio caused by?
Chronic inflammation
What is perio linked to and why?
Type 2 diabetes
Chronic elevated blood glucose levels result in gingival inflammation, which leads to gingivitis and perio