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Chapter 18

Final Exam Clinical

Microscopic air sacs that are the primary unit of gas exchange in the lungs is called what? Alveolus or Alveoli
The primary muscle of breathing that seperates the chest and the abdominal cavities is called? Diaphragm
What is the law of diffusion? Basis of gas mechanics
What is diffusion? When molecules move across a membrane from an area of high concentration to an area of low concentration
Lungs exchange oxygen and carbond dioxide via __________? Diffusion
Carbon-Dioxide rich blood circulates from the right side of the_____ to the lungs. HEART
What is ORTHOPENA? Ability to breath only in the standing or upright sittting position
What is hemothorax? accumilation of blood and fluids in the plueral cavity that limit the expansion of the lungs
What is EMPHYSEMA? Disease of chronic airways obstruction in which air is trapped (smoking or heredity)
Created by: spoon6464