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26 Cards in this Set
- Front
- Back
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What is another name for the larynx?
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voice box
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What is a short, somewhat cylincrical airway that is bounded superiorly by the laryngopharynx and posteriorly by the esophagus and inferiorly by the trachea
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Larynx
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What is the larynx bounded superiorly, posteriorly, and inferiorly by?
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laryngopharynx and posteriorly by the esophagus and inferiorly by the trachea
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What lines the superior aspect of the larynx?
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stratified squamous epithelium
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Where does the larynx lining become a ciliated epithelium?
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inferior to the vocal cords.
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What happens to the larynx inferiorly to the vocal cords?
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It becomes a ciliated epithelium
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What are the several functions of the larynx?
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prevents swallowed materials from entering the lower resp tract, conducts air into the lower resp tract, produces sounds
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How many pieces of cartilage supports the framework of the larynx and what holds them in place?
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9 pieces of cartilage, ligaments and muscles
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What is the largest cartilage of the larynx?
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thyroid cartilage
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What is the V-shaped anterior projection of the thyroid cartilage called?
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laryngeal prominence
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What is another name for Adam's Apple?
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Laryngeal prominence
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What is the overall growth of the thyroid cartilage of the Adam's apple stimulate by?
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testosterone, why it's bigger in males
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What cartilage forms the inferior base of the larynx and connects to the trachea inferiorly?
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cricoid cartilage
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What is the cricoid cartilage composed of?
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Hyaline cartilage
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Where is the cricoid cartilage?
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forms the inferior base of the larynx and connects to the trachea inferiorly
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What is the dense connective tissue band that attaches the cricoid cartilage to the inferior edge of the thyroid cartilgae?
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cricothyroid ligament
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What is 4 fingers width above the sternal notch?
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cricothyroid ligament
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What is a cricothyrotomy?
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A emergency airway is sometimes opened in the larynx by making an incision through the cricothyroid ligament
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Where is an emergency airway sometimes created and what is the name of it?
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Through the cricothyroid ligament "cricothyrotomy"
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How would you make the incision to open up the airway in someobody's throat?
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A vertical incision followed by a horizontal incision
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What is the large, spoon-or leaf-shaped feature formed primarily of elastic cartilage that is part of the larynx?
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epiglottis
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where does the epiglottis attach?
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Thyroid cartilage
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What does the epiglottis do when a person swallows?
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closes over the laryngeal opening, preventing materials from entering the larynx
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During swallowing, the larynx and the epiglottis do what?
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larynx elevates and moves forward while the epiglottis is bent backwards to cover the underlying glottis.
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After swallowing, what does the laynx do?
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moves inferiorly and the epiglottis returns to its original superior position
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What are the 3 major components of the larynx?
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thyroid cartilage, cricoid cartilage, and the epiglottis
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