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Nursing 211- CAL

Chronic Airflow Limitations

QuestionAnswer
What two disorders make up COPD? Chronic bronchitis and pulmonary emphysema
What is the definition of asthma? INTERMITTENT and REVERSIBLE airflow obstruction affecting the airways but NOT the alveoli.
airway obstruction in Asthma can come from what 2 sources? inflammatory response or hyper-responsive airways bronchoconstriction
What are some non-allergic Asthma triggers? cold or dry air, fine airborne particles, emotions, some medications (NSAIDS)
What kinds of airway hyper-responsiveness can trigger asthma? exercise or URI
How do allergens cause inflammation in asthma? Allergen binds with IgE & release histamine and cell mediators which stimulate the inflammatory response.
what occurs in the inflammatory response in asthma? vasodilation and capillary leakage, tissue swelling, increased secretions/mucus production, smooth muscle spasm/bronchoconstriction
what is status asthmaticus? Persistent asthma, resists common meds
what are S/S of status asthmaticus? SEVERE bronchospasm, severe wheezing, extremely labored breathing, hypoxia
What is COPD characterized by? bronchospasm and dyspnea
Is COPD reversible? No,severity increases over time.
At what speed does COPD occur? Slow and progressive
What is the main cause of COPD? Smoking
Created by: ctwirler12
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