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17 Cards in this Set
- Front
- Back
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In ICF what is the active solute and regulation?
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Potassium, Na/K ATPase
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In ECF what is the active solute and regulation?
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Sodium, Kidney
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In plasma what is the active solute and regulation?
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Protein, Albumin
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What two components that can freely cross both membranes?
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Water, Urea
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What are the causes for edema?
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1.Obstruction of lymphatic flow
2. Dec collodial osmotic pressure 3.Increased capillary pressure 4.Increased capillary permeability |
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How do u assess edema?
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1.Daily weight
2.I/O 3.Visual assessment 4.Measurement of affected part 5.Apply finger to assess |
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What is 3rd spacing?
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Place where fluid doesn't exist
(pericardial sac, peritoneum cavity, and pleural cavity) |
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What are clues to finding fluid balance?
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1. I/O, daily weight, mucous membranes(dry)
2.Lungs sounds: (crackles, rales, wheezes) 3.Vein : Hgb, edema, pulse 4.urine specific gravity 5.Pulses 6.Edema, skin tugor 7.BP 8.Heart sounds |
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What factors cause watter to move from one compartment to another?
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1.Plasma osmolality
2.Hypothalmic osmoreceptors 3.ADH, thirst 4.Urine osmolality, Water intake |
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What is the normal range of plasma osmolaltiy?
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280-290 mOsm/kg
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What is the function of ADH?
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Function 1: Anti-diuretic
Regulates serum osmolality by controlling water excretion Function 2: Vasopressin Regulates vascular smooth muscle tone |
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What stimulates ADH?
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Stress, hypoglycemia, nicotine, morphine, nausea, pregnancy, hypovolemia, hyperosmolality
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What inhibits ADH?
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ethanol, phenytoin, hypervolemia, hypo-osmolality
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What percent should the effective circulatory volume be for ADH release?
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10%
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What percent should the ECF be for ADH release?
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2%
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ADH will lead to what kind of urine?
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concentrated
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NO ADH will lead to what kind of urine?
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Dilute
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