Chapter 52 Electrolytes

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66606
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Chapter 52 Electrolytes
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2011-02-15 21:35:49
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nursing
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  1. Water
    molecules move from the less concentrated area to the more concentrated area
    osmosis
  2. The
    movement of molecules through a semipermeable membrane from an area of higher concentration to an
    area of lower concentration
    diffusion
  3. Energy
    (ATP) is used to move sodium
    molecules and potassium molecules across a semipermeable membrane
    active transport
  4. 1400
    to 1500 ml /day
    normal urine output
  5. 2,500 ml/day
    normal fluid intake
  6. PRIMARY regulator
    of body fluids and electrolyte imbalance, selective
    kidneys
  7. –loss-perspiration,
    water vapor lost in lungs ,Feces
    insensible loss
  8. stops you from peeing so much,
    release and response effect for the need to retain more water.
    anti-diuretic hormone
  9. most abundant cation in ECF, control and regulation of water
    balance.
    sodium
  10. vital electrolyte for skeletal, cardiac, and
    smooth muscle activity, must be ingested daily.
    Potassium
  11. -99% in the skeletal
    system. Vital in regulating muscle contraction, relaxation, neuromuscular
    function, and cardiac function.
    calcium
  12. involved in regulating neuromuscular and
    cardiac function
    magnesium
  13. major component in gastric juice as
    hydrochloric acid
    chloride
  14. essential for functioning of muscles, nerves,
    red blood cells
    phosphate
  15. –regulates acid-base
    balance
    bicarbonate
  16. our “quick regulators
    •Regulate acid-base balance by eliminating or
    retaining carbon dioxide
    –Faster rate/more depth = get rid of more CO2 and pH rises

    Slower rate/less depth = retain CO2 and pH lowers-applies to someone with respiratory difficulties, COPD
    lungs
  17. •Regulate by selectively excreting or conserving bicarbonate and
    hydrogen ions

    •Slower to respond to change
    kidneys
  18. factors affecting electrolyte, acid base balance
    age, gender, temp., lifestyle
  19. excessive perspiration, diahrrea, not taking enough fluid– fluid volume deficit diagnosis
    Isotonic loss of water and electrolytes
  20. sodium and water are retained in similar
    proportions, WATER FOLLOWS SALT.
    • Isotonic gain of water and electrolytes
    • (fluid volume excess

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