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fluid, electrolyte and acid/base balance

Terms in this set (76)

most abundant ion in the blood plasma and interstitial fluid
Na
most abundant ion in interstitial fluid
K
Low ADH produces
dilute urine and reduced volume of body fluids
high adh produces
concentrated urine
What inhibits ADH release?
hypothalamic osmoreceptors
factors that trigger ADH release
fever, sweating, vomiting, blood loss
edema
accumulation of fluid in interstitial spaces
Factors that accelerate fluid loss
-Increased blood pressure, capillary permeability
-Incompetent venous valves, localized blood vessel blockage
-hypertension, high blood volume
hindered fluid return indicates
Colloid osmotic pressure imbalance
hypoproteinemia
abnormally low concentrations of protein in the blood
what does hypoproteinemia do
forces fluids out of capillary beds at arterial ends, fluids do not return to venous ends
electrolyte imbalance
salt imbalance
What are salts important for?
1. Neuromuscular excitability
2. Secretory activity
3. Membrane permeability
4. Controlling fluid movements
3 ways salt are lost
feces, urine, sweat
the only cation exerting 280mosm of total 300 mosm
sodium
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