NR 601 week 1 and 2 quiz review 2022-comprehensive

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Week 1 Kennedy • Know the physical and physiological changes in the elderly *Appendix A pgs 643-650* 3 Primary Points 1. Reduced physiological reserve of most body systems, especially cardiac, re... spiratory, and renal. 2. Reduced homeostatic mechanisms that fail to adjust regulatory systems such as temperature control and fluid and electrolyte imbalances. 3. Impaired immunological function: risk for infection is higher and autoimmune diseases are more prevalent. Never be complacent and assume the issue is only age related (pg 2-3) • How aging effects Lab values in elderly **Appendix B pgs 651- 652** Many factors influence lab results in the elderly, including physiologic changes with aging, the prevalence of chronic disease, changes in nutritional and fluid intake, lifestyle and activities, and medications being taken. Biochemical individuality is important in detecting asymptomatic abnormalities in older adults. Significant homeostatic disturbances in the same individual may be detected through serial lab tests, even though all individual test results may lie within normal limits of the reference interval for the entire group. Lab work can be affected by inadequate protein stores within the body, and the elderly loose these protein stores. The serum creatinine levels may be WNL yet indicate renal impairment in pt’s with inadequate protein stores. The calculation of the creatinine clearance, used to estimate renal function, is significant to the provider. Reduced renal function, especially the GFR, affects th CONTINUED............. [Show More]

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