Chapter Twelve. Care of the Client with Immunologic 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. 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. When exposure occurs, the body responds with bronchial spasms, wheezing, rhinorrhea, and urticaria. Treatment of allergies includes the use of antihistamines such as diphenhydramine ...

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