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27 Cards in this Set
- Front
- Back
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What is the function of the nose?
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warms, humidifies, filters gas
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What is the external opening of the nose?
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nares
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What does the conchae consist of?
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nares to nasal pharynx
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What is the function of the nasal conchae?
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turbinates, allows maximum air surface contact
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What is the purpose of the posterior nose?
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purpose is to filter, humidify, and warm
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What is the mouth also known as?
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oral cavity
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Where does the pharynx extend from?
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extends from base of skull to esophagus (about 5 inches)
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What does the pharynx consist of?
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the nasal cavities and mouth to the point where the airway and digestive tract separate
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What are the 3 parts of the pharynx?
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nasopharynx, oropharynx, laryngopharynx
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Where is the nasopharynx?
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behind the nose; stretches from the aconchae to uvula
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What is the purpose of the nasopharynx?
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gas conduction to airways, filters and houses the adenoids (defense)
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Where is the oropharynx?
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behind the mouth; stretches from the uvula to the epiglottis
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What is the function of the oropharynx?
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defense, holds tonsils, gas conduction, food conduction, filtration
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Where is the laryngopharynx?
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below the hyoid bone behind the larynx
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Where is the opening to the larynx?
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at the glottis
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What are the functions of the larynx?
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conduct gas, protect lower airway, cough, speech
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What vertebrae does the larynx extend from?
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c3-c6;
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What does the unpaired cartilage of the larynx consist of?
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epiglottis, thyroid, and cricoid
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What does the epiglottis cover?
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the superior larynx opening on swallowing, preventing food from entering trachea
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What is another name for the Adam's apple?
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thyroid
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What is the cricoid?
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the only complete ring of cartilage in body
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What does the paired cartilage of the larynx consist of?
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arytenoid, corniculate, & cuneiform
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What does the arytenoid do?
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allows vocal cord movement
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What does the corniculate do?
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supports the walls of the larynx
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What does the cuneiform connect?
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connects the epiglottis to the arytenoid cartilage
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What is the function of the tracheobronchial tree?
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air conduction
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What do the layers change into further down the tracheobronchial tree?
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cartilaginous layer and the lamina propria (contains vessels and nerves epithelium)
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