Term
| The _____ is the first segment of the respiratory system. |
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Definition
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Term
| What is the sensory organ of smell? |
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Definition
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Term
| What 3 things does the nose do to inhaled air? |
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Definition
1. Warms
2. Moistens
3. Filters |
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Term
| The external nose is shaped like a triangle with one side attached to the face. On its leading edge, the superior part is the _______ and the free corner is the ____. |
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Definition
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Term
| The oval openings at the base of the nose are the ______. |
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Definition
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Term
| Each naris widens into the ________. |
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Definition
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Term
| The ________ divides the two nares and is continuous inside with the nasal septum. |
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Definition
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Term
| The ___ is the lateral outside wing of the nose on either side. |
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Definition
Ala.
The upper 1/3 of the external nose is made up of bone; the rest is cartilage. |
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Term
| The anterior edge of the nasal cavity is lined with numerous course nasal hairs, or ________. |
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Definition
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Term
| The majority of the nasal cavity is lined with a blanket of what? |
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Definition
| Ciliated mucous membrane. |
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Term
| What is the purpose of the nasal hairs? |
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Definition
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Term
| What is the function of the mucous blanket in the nasal cavity? |
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Definition
| To filter out dust and bacteria. |
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Term
| Why does nasal mucosa appear redder than oral mucosa? |
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Definition
| Because of the rich blood supply present to warm the inhaled air. |
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Term
| The nasal cavity is divided medially by the _____ into two slitlike air passages. |
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Definition
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Term
| The anterior portion of the septum holds a rich vascular network called the __________ ______, which is the most common site of nosebleeds. |
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Definition
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Term
| The Kisselbach plexus is the most common site of what occurance? |
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Definition
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Term
| In many people the _____ _______ is not absolutely straight and may deviate toward one passage. |
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Definition
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Term
| The lateral walls of each nasal cavity contain 3 parallel bony projections. Name them. |
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Definition
| The superior, middle, and inferior turbinates. |
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Term
| These structures increase the surface area of the nasal cavity so that more blood vessels and mucous membranes are available to warm, humidify, and filter the inhaled air. |
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Definition
| The inferior, middle, and superior turbinates. |
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Term
| Underlying each turbinate is a cleft, the _________, which is named for the turbinate above. |
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Definition
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Term
| The sinuses drain into the middle meatus, and the tears from the __________ _____ drain into the inferior meatus. |
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Definition
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Term
| The olfactory receptors (hair cells) lie at the _____ of the nasal cavity and the upper 1/3 of the septum. |
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Definition
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Term
| Olfactory receptors for smell merge into the olfactory nerve 1, which transmits to the ______ lobe of the brain. |
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Definition
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Term
| The ________ ______ are air filled pockets within the cranium. They communicate with the nasal cavity and are lined with the same type of ciliated mucous membrane. |
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Definition
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Term
| Paranasal sinuses lighten the weight of the ____ ______, serve as resonaters for sound production, and provide mucous, which drains into the nasal cavity. |
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Definition
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Term
| Two pairs of sinuses are accessible to examiners: The ______ sinus in the frontal bone above and medial to the orbits; and the _______ sinuses in the maxilla (cheek bone) along the side walls of the nasal cavity. |
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Definition
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Term
| The two sets of sinuses that are smaller and deeper are the ______sinus between the orbits, and the _____ sinus deep within the skull in the sphenoid bone. |
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Definition
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Term
| Only these two sinuses are present at birth. |
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Definition
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Term
| When to the maxillary sinuses reach their full size? |
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Definition
| After all permenant teeth have errupted. |
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Term
| The ethmoid sinus grows rapidly between ___ and ___ years of age and after puberty. |
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Definition
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Term
| The frontal sinuses are absent at birth, are fairly well developed between ___ and ___ years of age, and reach full size after puberty. |
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Definition
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Term
| The _______ sinuses are minute at birth and develop after puberty. |
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Definition
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