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12 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Advantages of nasal breathing |
1) vibrissae hairs filter particulate matter 2) efficient humidification from nasal turbinates and septum - increase in SA of mucosa help with evaporation |
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Disadvantage of nasal breathing |
Increased resistance |
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Passavant's ridge |
Band of the superior constrictor of the pharynx |
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Palatopharyngeal sphinctor |
Soft palate + Passavant's ridge |
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Muscle responsible for maintaining airway diameter with sub atmospheric pressures |
Genioglossus |
It's a pharyngeal dilator muscle |
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Which nerve supplies the laryngeal muscles |
Recurrent laryngeal
Except the cricothyroid which is enervated by external laryngeal |
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Functions of the larynx |
1- protection of airway 2- organ of speech 3- ability to lock thorax |
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Sensory innervation of the larynx |
Area above vocal cords: internal branch of the superior laryngeal nerve Area below vocal cords: recurrent laryngeal nerves |
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Find out diff muscles of trachea in different species |
.... |
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T of F anesthesia stops cilial beating in trachea |
True. Also does inhaling dry gases from tracheostomy |
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How trachea bifurcates |
Right is wider and smaller angle |
Most FB end up here |
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When do cartilage disappear in the bronchial tree |
Present in small bronchi but absent after in bronchioles |
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