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10 Cards in this Set
- Front
- Back
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Interstitial fluid
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In the spaces between most of the cells of the body-15% of body weight
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Intravascular fluid/plasma
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In the arteries, veins, and capillaries-5% of body weight
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Transcellular fluid
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Cerebospinal fluid, urine, digestive secretions, prespiration, and small am't found within organs and joints.<1% of body weight
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Water
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primary component of body fluids.
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Electrolytes
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Substances that dissociate in solution to form ions (charged particles). cations are positive;
anions are negative. |
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Functions of electrolytes
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*help regulate water and acid-base balance.
*contribute to enzyme reactions *essential to neuromuscular activity |
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Principal extracellular electrolytes
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sodium (Na ), chloride (Cl ),bicarbonate (HCO )
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Principal intracellular electrolytes
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potassium (K ), magnesium
(Mg ), phosphate (PO ) |
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Vital functions of water
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*transports nutrients & oxygen to cells; waste products away from cells
*provides a medium for metabolic reactions within cells *insulates and helps regulate and maintain body temp. *provides form for body structure & acts as shock absorber *acts as a lubricant |
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Factors for fluid volume deficit in older adults
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*decreased thirst preception
*decreased total body water *age-related changes in renal function & ability to regulate body temp *self-limiting of fluids due to fear of incontinence *self-care deficits or disabilites that limit access to fluids *cognitive impairments (confusion, dementis, depression) *medication (diuretics, sedatives, etc) |
