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About This Course
Acknowledgments Major portions of the content are adapted from Respiratory Dieseases and Disorders, Academy of Health Science, Fort Sam Houston, Texas
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| Primary content provider: U.S. Army Web design: David L. Heiserman |
Copyright © 2006, SweetHaven Publishing
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The respiratory tract has defense mechanisms that prevent most
microorganisms and foreign objects from entering the lungs of a healthy person.
Sometimes these defense mechanisms cannot resist invasion, and infection occurs.
The person's defenses may be weakened, damaged, or the invading agent may be too
strong for the person's body to resist. As a nurse or medical technician, it is
extremely important that you become aware of the characteristics and treatments for
respiratory problems that you may encounter. With the awareness of respiratory
diseases and their general characteristics, you may be alert for signs and symptoms of
such diseases in the patients in your care.