NURSE-UN 1243 Study Guide - Midterm Guide: Type I Hypersensitivity, Rib Cage, Pulmonary Function Testing
29 Apr 2019
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Document Summary
Alteration of shape of alveoli which increases a-p diameter. Deficiency in elastic recoil due to stiffening of elastin and collagen connective tissue. Increase in thoracic rigidity: osteoporotic changes to the spine (kyphosis) compresses thoracic cage, can"t expand to breathe as well. Predisposition factors to lung problems in the older adult: age-related changes, exposure to pollutants, cigarette smoke 4-5 years of not smoking will bring lungs back to almost normal, comorbidities. Intermittent disease: reversible airflow obstruction & wheezing, want to consider older adults change in sensitivity of beta-adrenergic receptors, bronchoconstriction/dilation, beta 2 receptor agonists may not be beneficial, more common in women 35% higher, type 1 hypersensitivity reaction. Ige triggers histamine release from mast cells: onset in early life (often childhood) Family history of asthma: teach how to prevent asthma attacks, teach correct use of preventative and rescue drugs, allergy, rhinitis and/or eczema also present, assessment, history.
