Front | Back |
The respiratory system is made up of what three functions
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Pulmonary Ventilation, Respiration, and Perfusion
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Normal respiratory system function depends of what 3 factors functioning properly
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Airway (nutrients to alveoli/wastes out from alveoli), Alveoli (exchange), Cardiovascular System (nutrients from alveoli to body/wastes from body to alveoli)
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The 'airway' begins at the ____ and ends at the ____ . The upper airway ends at the _____. The lower airway starts at the ____ and ends at the ____
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Mouth / terminal bronchioles / epiglottis / trachea / terminal brochioles
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The function of the upper airway is to ____
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Warm, Filter, Humidify (inspired air)
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The function of the lower airway is to _____
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Conduct (air), Mucocilial Clearance, Pulmonary Surfactant (production)
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T/F... the right lung has 3 lobes, and the left lung has 2 lobes
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True
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The right lung has ___ brochopulmonary segemts and the left lung has ____
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10 / 8
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T/F..the walls of alveoli are made up of columnar epithelial cells
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False,.... squamous
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____ is a detergent-like phospholipid that reduces the surface tension between moist membranes of the alveoli, preventing their collapse
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Surfactant
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The lungs and thoracic cavity are lined with a serous membrane called the ______
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Pleura
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What covers the lungs? what covers the thoracic cavity?
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Visceral Pleura / Parietal Pleura
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Lungs are held inbetween the two pleural layers with ____ , which acts as a ____
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Pleural Fluid / Lubricant
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The constant negative intrapleural pressure, along with the pleural fluid hold the lungs _____
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In an expanded position
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_____ refers to movement of air into/out of the lungs
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Pulmonary Ventilation
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_____ involves gas exchange between the atmospheric air in the alveoli and blood in the capillaries
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Respiration
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