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provides a medium for transporting nutrients to cells, act as a solvent for electrolytes and nonelectrolutes, help maintain body temperature, act as tissue lubricant, faciliates digest and promotes elimination
all fluid outside the cells, 30% of total body water and 20% of adult body weight
this type of fluid encompasses plasma, interstital fluid, cerebrospinal fluid, pericardial fluid, synovial fluid
retain electrolytes and water and excrete wastes and exccesses according to body needs, filter blood
a mineralocorticoid hormone that helps body conserve sodium, helps save chloride and water, and causes potassium to be excreted
greater osmolarity (pulling power) than plasma, water will move out of cells and cause cells to shrink
less osmolarity (pulling power) than plasma it causes cell to swell and possibly burst
sodium deficif in ECF, leads to cell swelling, resulting in hypotension, edema, muscle cramps
surplus of sodium in ECF, leads to cell shrinking, results in neurological impairment, delusion, and hallucinations, permanent brain damage can occur
potassium deficit, skeletal muscles show it, muscle weakness, leg cramps, parethesias, dysrhytmias
excess potassium, renal failure, hypoaldoesteronism, more dangerous, nerve conduction malfunction can occur, cardiac arrest can happen
causes bone pain, execessive urination, slurred speech, constipation, cardiac arrest may happen, nausea, vomitting, confusion
magnesium deficit, occurs with alcohol withdrawl, sepsis or burns, leads to heart block, change in mental status, hyperactive deep tendon reflexes, respiratory paralysis,
occurs when renal failure occurs, includes loss of deep tendon reflex, respiratory depression, coma, flushing, lethargy, nausea
can result from administering too many calories to patients, alcohol withdrawl, hyperventilation, insuline relase, manifestation include paresthesais, confusino, serious, coma, irritability
common causes is impaired kidney excretion and hypoparathyroidism. can result in anorexia, nausea, tachycardia
can result from GI tube drainage, burns, diuretic therapy, manifestations include hyperactive DTRS, weakness and muscle cramps
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