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21 Cards in this Set
- Front
- Back
What is the fluid water volume of the INTRACELLULAR space?
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28 L
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What is the fluid water volume of the EXTRACELLULAR space?
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14 L
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What is the fluid water volume of the INTERSTITIAL FLUID / LYMPH WATER? (of extracellular)
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10.5 L
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What is the fluid water volume of the PLASMA WATER? (of extracellular)
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3.5 L
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What is the major CATION in the extracellular fluid?
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Na (Sodium)
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What is the major CATION in the intracellular fluid?
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K (Potassium)
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What indicators would you use for measuring TBW (total body water)?
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-Antipyrine
-D2O -HTO -It must permeate intra and extra cellular space |
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What indicators would you for measuring Plasma Volume?
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-Evan's Blue
- I-Albuumin -Must stay in vascular tree |
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What indicators would you use for measuring Extracellular Space/Water?
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-Impermeate Ions (radioactive Na, Cl, Sulfate, SO4, thiocyanate, thiosulfate
-Inert Sugars (inulin, mannitol, sucrose |
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What would be the molarity of a HYPERTONIC (HYPEROSMOLAL) solution?
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> 290 mmol
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What would be the concentration of an ISOTONIC (ISOSMOLAL) Solution?
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290 mmol
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What would be the concentration of a HYPOTONIC (HYPOSMOLAL) solution?
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< 290 mmol
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What are the symptoms of ADRENAL INSUFFICIENCY?
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-A decrease in aldosterone will lead to a decrease in Na reabsorption. (Pee lots of Na)
-Decrease in intra and extracellular osmolarilty. -Decrease in ECF -Increase in ICF |
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What is SIADH?
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-Syndrome of inappropriate ADH secretion (Too much ADH secreted)
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What are the symptoms of SIADH?
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-Decrease in osmolarity for both ICF and ECF
-Increase in ECF and ICF -VERY LITTLE PEE |
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Give an example of isosmotic volume expansion?
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Isotonic NaCl infusion
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Give an example of isosmotic volume contraction?
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Diarrhea
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Give an example of hyperosmotic volume expansion?
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High NaCl intake
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Give an example ofhyperosmotic volume contraction?
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Sweating, fever, diabetes insipidus
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Give an example of hyposmotic volume expansion?
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SIADH
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Give an example of hyposmotic volume contraction?
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Adrenal insufficincy
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