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Patho 2291

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Function of the larynx connects upper and lower airways
Structures of the upper airways (2) nasopharynx, oropharynx
Structures of the lower airways (3) trachea, bronchi, terminal bronchioles
Structures of the conducting airways (3) trachea, segmental bronchi, non-respiratory subsegmental bronchioles
Structures of the respiratory unit (2) respiratory subsegmental bronchioles, alveolar ducts
Function of type 1 alveolar cells alveolar structure
Function of type 2 alveolar cells surfactant production
Four layers of alveolar-capillary membranes alveolar epithelial wall type 1 cells, alveolar epithelial basement membrane, capillary basement membrane, endothelial cells of capillary
Define ventilation mechanical movement of gas or air into and out of the lungs
Define minute volume venilatory rate multiplied by the volume of air per breath
Define alveolar ventilation gas exchange
The four factors that influence ventilation alveolar surface tension, elastic properties of the lung and chest wall (elastic recoil, compliance), airway resistance, work of breathing
Major muscles of inspiration (2): diaphragm, external intercostals
Accessory muscles of inspiration (2): sternocleidomastoid and scalene muscles
Accessory muscles of expiration (2): abdominal and internal intercostal muscles
Neurochemical control lung receptors (3) irritant receptors, stretch receptors, j-receptors
Neurochemical control chemoreceptors (2) central chemoreceptors, peripheral chemoreceptors
Elastic properities of the lung and chest wall (2) elastic recoil, compliance
Carbon dioxide is transported via (3) dissolved in plasma, bicarbonate, carbamino compounds
Haldene effect PO2 influences what happens to CO2
Created by: klawrence00
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