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NR511 / NR 511 Midterm Exam Study Guide Differential Diagnosis & Primary Care Practicum Questions and Answers (Verified Answers) 1.What are the 3 primary physiological changes of aging ANS 1. Reduced physi- ological reserve of most body systems, esp.cardiac, resp, renal.
2.Reduced homeostatic mechanisms that fail to adjust regulatory systems (i.e. temp control, fluid/lyte balance, etc.).
3.Impaired immunological function (infection risk is greater, autoimmune dz's more prevalent) 2.What is the preferred amount of exercise for elderly ANS 30min/day 5 days/wk of moderate exercise. 1 / 4
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If trying to lose wt: 60min/day.
3.What are PFTs ANS Group of tests that provide quantifiable measurement of lung function, used to dx resp abnormalities or assess progression/resolution of lung dz.
4.What is FEV1?
: Forced Expiratory Volume in 1 second (80-120%)
5.What is FVC ANS Forced Vital Capacity (80-120%) 6.What is normal FEV1/FVC ratio ANS <0.7 (70%) 7.What is GOLD 1 criteria 2 / 4
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ANS Mild FEV1 >/= 80% predicted 8.What is GOLD 2 criteria ANS Moderate FEV1 50-79% predicted 9.What is GOLD 3 criteria ANS Severe FEV1 30-49% predicted 10.What is GOLD 4 criteria ANS Very severe FEV1 <30% predicted 11.What are the signal symptoms of COPD 3 / 4
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ANS Dyspnea Chronic cough w/sputum Decreased activity tolerance Wheezing 12.What are characteristics of COPD ANS Common, preventable, treatable.Characterized by persistent airflow limitation.Usually progressive, associated with enhanced chronic inflammatory response in airways and lungs to noxious particles/gases Airway fibrosis, luminal plugs, airway inflammation, increased airway resistance, small airway dz.
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