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17 Cards in this Set
- Front
- Back
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Life expectancy
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76-77
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When does aging begin
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24-28
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Aging theory that states that we are programmed for a certain length of time and mutations speed the process
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Genetic theory
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Aging theory that states that the immune system begins to fail and then turn on itself
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Immunoligical theory
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Aging theory that states that increased rate of metabolism increases the number of free radicals released in the body
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Caloric intake theory
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How much does CO drop after age 35
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1%/year
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What is the change in BMR with aging
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decreases 20-25%
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How much does brain mass decrease in aging
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10-15%
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How much does nerve conduction velocity decrease in aging
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20%
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What are four changes in the heart that decrease function
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Increased collagen-hypertrophy
Athero/arteriosclerosis Decreased Beta receptors Decrease in elastin |
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What are six pathological changes that occur in the lungs because of aging
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Decreased compliance
Decreased VC Decreased response to stress V/Q mismatch Decreased diffusing capacity Decreased hypoxic and hypercapnic reflexes |
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Major cause of constipation in the elderly
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hypokalemia
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GFR decrease in aged
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50%
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What causes the decreased absorption in the GI tract of the elderly
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decrease in absorptive cells
not d/t a decrease in enzymes |
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When does the liver atrophy
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50
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Memory loss in senile dementia
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short term
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Memory loss in Alzheimer's
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long term
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