Chapter 17: Nose, Mouth, and Throat Flashcards Preview

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Flashcards in Chapter 17: Nose, Mouth, and Throat Deck (24)
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Functions of the nose:

-warms, moistens ad filters the inhaled air
-it is the sensory organ for smell


The nasal cavity anterior edge is lined with:

-Numerous coarse nasal hairs.


The rest of the nasal cavity its lined with:

-A blanket of ciliated mucous membrane.


Air-filled pockets within the cranium

-Paranasal sinuses


Functions of the paranasal sinuses:

-Serve to lighten the weight of the skull bones
-Serve as resonators for sound production
-Provide mucus, which drains into the nasal cavity.


What are the 4 sets of sinuses and where are they?

-The maxillary and frontal sinuses are accessible to examination.
-The ethmoid and sphenoid sinuses are smaller and deeper within the skull.


What are the 3 salivary glands?

-Parotid: The largest, lies within the cheeks, in front of the ear, and extends from the zygomatic arch down to the angle of the jaw.
-Submandibular: the size of a walnut, lies beneath the mandible at the angle of the
Sublingual: The smallest, is almond shaped and lies within the floor of the mouth under the tongue. It has many small openings along the sublingual fold under the tongue.


What is the parotid's duct and where is it?

-The Stensen’s duct
-runs forward to open on the buccal mucosa of the second molar.


What is the Submandibular's duct and where is it?

-The Wharton’s duct
-runs up and forward to the floor of the mouth and opens at either side of the frenulum


If tooth loss occurs, the remaining teeth:

-Drift and cause malocclusion


The stress of chewing with maloccluding teeth causes what 3 problems:

-Excessive bone resorption with further tooth loss.
-Muscle imbalance: resulting from a mandible and maxilla now out of alignment, which
produces muscle spasms, tenderness of muscles of mastication, and chronic headaches.
-The temporomandibular joint is stressed: leading to osteoarthritis, pain, and inability to fully open the mouth.


What is a deviated nasal septum?

-looks like a hump or shelf in one nasal cavity


What is a perforated nasal septum?

-seen as a spot or light from a penlight that is shining in the other naris.


What is torus palatinus?

-A normal variation, a nodular bony ridge down the middle of the hard palate.
-It is a benign growth that occurs after puberty
-More common finding in Native Americans, Inuits, and Asians


A large, grayish opaque patch that may be present along the buccal mucosa.



A monilial infection, a white, cheesy, curdlike patch on the buccal mucosa and tongue. It scrapes off, leaving a raw, red surface that bleeds easily.



Chalky, white, thick, raised patch with well-defined borders. The lesion is firm and does not scrape off and is due to chronic irritation. These lesions are precancerous.



Small, isolated white or yellow papules on the mucosa of the cheek, tongue, and lips. They are painless sebaceous cysts and not significant.

Fordyce's granules


The 4-point scale is:

1+ Visible.
2+ Halfway between tonsillar palate and uvula. 3+ Touching the uvula.
4+ Touching each other.


A normal finding in infants, a small pad in the middle of the upper lip from friction of breastfeeding or bottle-feeding.

Sucking tubercle


A normal finding in newborns and infants, small, white, glistening, pearly papules on the hard palate, and on the gums, where they look like teeth. They are small retention cysts and disappear in the first few weeks.

Epstein’s pearls


Traumatic areas or ulcers on the posterior hard palate on either side of the midline that result from abrasions while sucking.

Bednar aphthae


The inferior nasal turbinates should appear:

-the same light red color as the nasal mucosa


Nasal polyps are:

-pale gray