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Difficulty of Breathing due to underlying condition: Pneumonia ((Lungs…
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Respiratory System
Conducting Zone:
Air passageway: cleans, warms, and moistens incoming air
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Gas Laws:
Although the percentage of Oxygen in inspired air is constant @ different altitudes, the fall in atmospheric pressure at higher altitude decreases the partial pressure for gas exchange in the lungs
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Alveolar Ventilation
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a process by which oxygen is brought into the lungs from the atmosphere and by which the carbon dioxide carried into the lungs in the mixed venous blood is expelled from the body
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Boyle's Law
at a constant temperature, the pressure of a gas varies inversely with it's volume
Henry's Law
concentration of gas in a liquid is directly proportional to the solubility and partial pressure of that gas
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- simple squamous epithelial cells that form the major part of alveolar wall
- cuboidal epithelial cells,they secrete "surfactant" thst coats the gas-exposed alveolar surfaces
- crawl freely along the internal alveolar surfaces, consuming bactera, dust and other debris
- covers the external lung surface
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- lubricates the space between the pleurae to allow friction free movement during breathing
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- reduction in diffusion capacity
- lungs is inflamed: it is difficult for Oxygen to pass through the alveoli into the bloodstream
- the air is thinner and and the temperature is much colder
- reduction in pulmonary compliance
- the upregulation of the sympathetic nervous system during infection leads to increase heart rate and vascular resistance that drop cardiac output and coronary perfusion of the heart
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- fluid accumulation around the lungs
- when atmospheric pressure and partial O2 is decrease, your body will respond with symptoms of acute mountain sickness
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- decline in control of breathing