Name 3 ways physiological changes from aging impact the body
1: reduces physiological reserve of most body systems, particularly, cardiac, respiratory, & renal.
2: Reduces homeostatic mechanisms that fail to adjust regulatory systems such as temp control and fluid & electrolyte balance.
3: Impai...
name 3 ways physiological changes from aging impact the body
preferred amount of exercise for older adult
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NR 601 Midterm
Name 3 ways physiological changes from aging impact the body - Answer 1: reduces
physiological reserve of most body systems, particularly, cardiac, respiratory, & renal.
2: Reduces homeostatic mechanisms that fail to adjust regulatory systems such as
temp control and fluid & electrolyte balance.
3: Impaired immunological function- greater risk f
preferred amount of exercise for older adult - Answer 30 minutes per day for 5 days a
week of moderate exercise; if weight management is part of this, 60 minutes per day is
advised. day
FEVI/FVC Ratio - Answer The percent of maximum inspiration expired in the 1st second
PFT Gold criteria - Answer Post bronchodilator:FEV1 80% or higher of predicted- GOLD
1 : Mild
FEV1 50 % - < 80 % of predicted- GOLD 2 : Moderate
FEV1 30% - < 50 % of predicted is GOLD 3 : Severe
FEV1 < 30 % of predicted is GOLD 4: Very Severe
How do you know if restriction/obstruction is reversible - Answer If improvement of
FEV1 is more than 12% from pre-bronchodilator to post-bronchodilator then the
restriction is reversible
COPD Signs and symptoms: - Answer Dyspnea, chronic cough with sputum production,
decreased activity tolerance, wheezing.
Risk factors for COPD- - Answer smoking (risk increases with the number of pack years
smoked) Second hand smoke as well. Environmental pollution-endotoxins, coal dust,
and miner dust. Nonmodifiable risk factors are gender.
Common physical exam for COPD - Answer as severity of the airway obstruction
increases, the pt will have decreased breath sounds, wheezes at lung bases, distant
heart tones bc of hyperinflation of lungs. the pt often needs to use accessory muscles,
pursed-lip breathing, has an increased expiratory phase, and neck vein distention.
- Answer Spirometry
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