AG Swallowing
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| traditional view of how a swallow is triggered and "What is a swallow?" | anterior faucial arch stimulation characterized by four stages: oral prep, oral, pharyngeal, esophageal; also, considered a brainstem-controlled reflex
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| current view of how a swallow is triggered and "What is a swallow?" | stimulation of deep muscle receptors in base of tongue and superficial mucosal receptors in pharynx; complex series of interdependent & overlapping movements carrying material from oral cavity to pharynx and esophagus; considered a modifiable response
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| 3 step process for when things get past the TVFs | TRAP, COUGH, CLEAR
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| the walls of the trachea that are lined with cilia and mucous | The Mucociliary chain
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| Horking clears what? | oropharynx
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| Throat clearing clears what? | larynx and hypopharynx
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| coughing, forced expiration clears what? | lungs, trachea, and larynx
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| respiratory/swallowing typical pattern | inhale - begin exhalation - hold breath - swallow - continue exhalation
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| the entire process of putting food in the mouth until it enters the stomach | deglutition
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| a delay in, or misdirection of, a fluid or solid food bolus as it moves from the mouth to the stomach | dysphagia
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| The biological function of swallowing | to safely transport food from the mouth to the stomach
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| valves involved in swallowing | velopharyngeal, TVFs, ventricular folds, epiglottis/aryepiglottal fold over.
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| What is the prime mover of material through the pharynx | Tongue base retraction
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| What cannot be changed about a swallow? | pharyngeal peristalsis, PES relaxation
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| What can be changed about a swallow? | vocal fold closure and laryngeal elevation
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Created by:
Aureole
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