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70 year old woman goes to emergency room with difficulty breathing and…
70 year old woman goes to emergency room with difficulty breathing and discovers she has developed a viral infection of the lungs
Fast, shallow breathing and wet, wheezy cough
As an older person, her body is unable to adjust to the higher altitude like a young person can
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Body tries to use acclimatization, an adaptive response to make respiratory and hemotopoietic adjustments
Age effects
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Elasticity of alveoli decreases, they lose their shape and become baggy
Rib cage can't expand and contract while breathing because the bones are more thin and have changed shape
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Lung anatomy
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Macrophages
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Eat dust, bacteria, and other debris
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Alveolar sac (group, alveoli)
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Branches of the bronchi
Primary, secondary, tertiary
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Gas laws
Boyle's law
If volume increases, pressure decreases (inverse relationship)
Dalton's law
Nitrogen, oxygen, and carbon dioxide all act indepently
Henry's law
Solubility of nitrogen, oxygen, and carbon dioxide are all different (when in contact with surface of a liquid)
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