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30 Cards in this Set
- Front
- Back
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What is the function of the nose?
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to warm, filter and moisten inspired air
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State the medical term for nostrils?
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Nares
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What 4 bones of the skull contain paranasal sinuses?
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- frontal
- maxilla - ethmoid - sphenoid |
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Define Epistaxis
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"nose- bleed"
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State the sensory innervation to the roof of the mouth
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- Nasopalatine N (CN V2) - goes through incisive canal
- Greater palatine N. (CN V2) |
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State the nerve which supplies the sensory innervation to the nose.
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CN I -- the ethmoid bone has the cribiform plate and the nerve passes through it on the way to the nose.
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State the sinus drainage (3)
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1. Frontonasal duct
2. Sphenoethmoidal reces 3. Hiatus semilunaris |
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Where does the frontal sinus drain?
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Opening for the frontal sinus called the FRONTALNASAL DUCT
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Where does the sphenoid sinus drain?
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Opening for the spenoid sinus called SPHENOETHMOIDAL RECESS
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Where does the maxillary sinus drain?
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Opening for the maxillary sinus is called HIATUS SEMILUNARIS
...drains uphill, reason for chronic sinus infections |
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Define the 3 divisions of the pharynx
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- Nasopharynx
- oropharynx - laryngopharynx |
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Define the pharynx
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a passageway for both food and air
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Define the retropharyngeal space
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potential space b/w the prevetebral and pretracheal fascia
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why is the retropharyngeal space important (clinically)?
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Infection can migrate from the chest to the brain, especially in kids.
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Define the 3 deep fascia of the neck
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- pretracheal
- prevetebral - fascia of carotid sheath |
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What is the function and innervation of the constrictor muscles?
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in a coordinated fashion, these muscles push food into the esophagus
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What innervates teh constrictor muscles?
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Superior laryngeal branches of CN X
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The Roof lateral wall of the nasal cavity
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Frontalnasal, Ethmoid, Sphenoid
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The Floor <Hardplate>
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maxilla & palatine
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What 2 arteries are branches of the maxillary artery...
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Sphenopalatine A and Greater Palatine A
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Innervation of the nasal cavity is by...
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CN I = olfactory
General sensation: V1 and V2 |
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Nasopalatine N (CN V2) runs through...
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incisive canal
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Nasopalatine nerve is a branch of
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CN V2
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CN I passes through ___ in the ethmoid bone...
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crbiform plate
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Fascia of the corotid sheath contains:
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- common corotid artery
- inferior jugular vein - Vagus Nerve (CN X) |
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___ runs through the stylomastoid foramen
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CN VII
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___ innervates the styloglossus muscle
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CN X
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State the veins of the oral and pharyngeal regions:
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- facial v.
- deep facial v. - Superficial temporal v. - Internal jungular vein - pterygoid plexus - Retromandibular v. |
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The maxillary artery is divided by....
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lateral pterygoid muscle
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The first branch of the maxillary artery includes:
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1. Middle meningeal a.
2. Ant. tympanic 3. Inferior alveolar 4. Deep auricular |
