Resp System- 22
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What respiratory organ separates the upper and lower respiratory tract? | Trachea
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Paranasal sinuses drain where? | Nasal cavity
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The pharynx contains tonsils and openings for: | Eustachian tubes
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The voicebox is located between which two respiratory organs? | Pharynx and trachea
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Another name for the larynx | Voice box
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Two functions of the larynx from notes | Prevents foreign objects, food from entering trachea; composed primarily of cartilage
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What does the epiglottis prevent? | Food from entering larynx
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What does testosterone do when deepening the voice? | Vocal chords thicken, lengthen and the larynx to increase in size
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How long is the trachea? | 4-5 inches (1 in. in diameter)
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What is the purpose of the rigid cartilage of the trachea? | Prevents trachea from collapsing
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Name of bifurcation of trachea into L and R primary bronchi | Carina
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What is the opening between the trachea and esophagus? | Tracheoesophageal fistula (usually found in right bronchi)
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As the bronchial tree extends deeper into the lungs, the: | Amount of cartilage decreases
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When bronchi divide beyond tertiary, they become: | Bronchioles (contain no cartilage)
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Bronchioles contain ___________ that allows them to change ________. | Smooth muscles; diameter
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Bronchioles give rise to: | Aveolar ducts
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Aveolar ducts end in: | Aveoli (small, sac-like)
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What surrounds each aveoli? | Pulmonary capllary
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What is the name of the collapse of Aveoli? | Atelectasis
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Definition of pleura | Continuous serous membrane lining the lungs and the inner chest wall
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What is the space between the visceral and parietal pleura? | Pleural cavity (intrapleural space)
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How is serous fluid secreted in the pleural cavity and what is it's function? | Secreted by pleural membranes which then decreases friction during respiration
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What is the excess accumulation of fluid in the pleural cavity? | Pleural effusion
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What do the lungs secrete to decrease the surface tension within the lungs | Surfactant
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When a lung collapses, what happens when the arrangement of elastic fibers in lunch force air out if tension within the lung is released | Elastic Recoil
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A child born prematurely and have not yet produced surfactant | Respiratory Distress
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Pneumothorax defined | Puncture in the chest wall and rupture in lung
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Compliance is the measure of: | Elastic recoil in the lungs
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When lung compliance is decreased: | Tissue more stiff, increased level of elastic recoil, lungs have difficulty fully inflating
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When lung compliance is increased: | Lung tissue less stiff, decreased level of elastic recoil, lungs unable to fulle expell air
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Clinical example of increased compliance | Emphysema
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Clinical example of decreased compliance | Pulmonary edema, pulmonary fibrosis
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First step of respiration | Ventilation
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Second step of respiration | Exchange of oxygen and carbon dioxide
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Third step of respiration | Transpot of oxygen and carbon dioxide by the blood
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Created by:
CBaney
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