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14 Cards in this Set

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A shift in sodium triggers:
a fluid volume change to restore normal solute and water ratios
Sodium helps maintain:
acid-base balance
Sodium activates:
nerve and muscle cells involved in muscle contraction and the Na+/K+ pump
Sodium influences water distribution with:
Chloride
Sodium is regulated by:
the kidney through tubular reabsorption
____, a hormone secreted by the adrenal cortex, works increase the reabsorption of Na+ by the kdney.
aldosterone
___ increases Na+ and water excretion.
natriuretic peptides
The 7 possible causes of HYPOnatremia
SIADH, diuretics in combo with a patient on a low Na+ diet, excessive sweating, GI wound drainage, decreased secretion of aldosterone, renal disease, burns
HYPOnatremia
low level of sodium
HYPERnatremia
high level of sodium
The 6 possible causes of HYPERnatremia
diabetes insipidus, hyperaldosteronism, cushing's syndrome, high protein feedings without free water, osmotic diuretics
The 7 symptoms of hyponatremia
sleepiness, weakness, lethargy, nausea/vomiting or anexoria, behavorial and personality changes, decreased tendon reflexes, headache
The symptoms of hypernatremia
increased thirst, irritability, restlessness, confusion, agitation
Both hyper and hyponatremia can have symptoms of:
seizures and coma