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NCLEX®-PN Exam Prep, Third Edition by Clara Hurd, Diann Sloan, Wilda Rinehart

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Chapter 12. Care of the Client with Immunological Disorders

A number of body systems serve to protect the body against pathogens. These include the skin, mucous membrane, cilia in the lungs, saliva, hydrochloric acid in the stomach, flushing action of urinary flow in the renal system, and lower pH in the reproductive system. When there is a threat to the normal cellular function, the immune system responds. Those individuals with altered immune systems should be taught the benefits of adding foods such as fruits and vegetables, especially those that are high in antioxidants.

Hypersensitivity is an exaggerated immune response by an otherwise normal immune system that is caused by exposure to medications, pet dander, foods, or other allergens. ...

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