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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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danielarincon26 danielarincon26
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6 years ago
A nurse is caring for a client with pneumonia. The client's oxygen saturation is below normal. What abnormal respiratory process does this demonstrate?
 
  A) changes in the alveolar-capillary membrane and diffusion
  B) alterations in the structures of the ribs and diaphragm
  C) rapid decreases in atmospheric and intrapulmonic pressures
  D) lower-than-normal concentrations of environmental oxygen
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6 years ago
Ans: A
Any change in the surface area of the lungs hinders diffusion of gas exchange. Any disease or condition that results in changes in the alveolar-capillary membrane, such as pneumonia or pulmonary edema, makes diffusion more difficult, assessed by decreased oxygen saturation measurement.
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