CLSChem - 03 - Electrolytes Acid-Base Water Balance Kidney

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  1. What is in the electrolyte panel?
    Na, K, Cl, total CO2
  2. Electrolytes - what are the cations and anions?
    • cations: Na, K, Ca, Mg
    • anions: Cl, HCO3, PO4, lactate
  3. TBW - % of mass, and breakdown in body "areas"
    • 55%(F)-60%(M) of body mass (declines w/ age, obesity)
    • Intracellular fluid (ICF) = 66% TBW
    • Extracellular fluid (ECF) = 33% TBW
    • Interstitial fluid = 25% TBW (ECF)
    • Plasma = 8% TWB (ECF)
  4. Why is plasma only 93% water by volume?
    • Protein (necessary for colloid osmotic pressure) and lipids occupy volume
    • Ions/solutes DO NOT occupy volume
  5. What is the target ECF osmolality? What regulates it?
    • 275-295 mOsm/kg
    • Hypothalmic osmoreceptors make big changes from small changes (1-2%)

Card Set Information

Author:
victimsofadown
ID:
323566
Filename:
CLSChem - 03 - Electrolytes Acid-Base Water Balance Kidney
Updated:
2016-09-26 01:14:26
Tags:
CLSChem 03 Electrolytes Acid Base Water Balance Kidney
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CLSChem - 03 - Electrolytes,Acid-Base,Water Balance,CLSChem
Description:
CLSChem - 03 - Electrolytes, Acid-Base, Water Balance, Kidney
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