Fluid & electrolytes

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Author:
charflynt
ID:
63112
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Fluid & electrolytes
Updated:
2011-01-31 01:59:13
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test
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Description:
fluid and electrolyes
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  1. controls and regulates volume of body fluids
    Sodium (Na)
  2. associated with excess fluid in bloodstream
    Sodium (Na)
  3. primary regulator of extracellular fluid
    Sodium (Na)
  4. chief regulator of cellular enzyme activity and H20 content
    Potassium (K)
  5. nerve impulse, blood clotting, muscle contraction, b12 absorption
    Calcium (Ca)
  6. metabolism of carbs & proteins, vital actions involving enzymes
    Magnesium (Mg)
  7. maintains osmotic pressure in blood, produces hydrochloric acid (important to maintain pH in GI system...its acidic above waist, and alkaline below waist)
    Chloride
  8. body's primary buffer system
    Bicarbonate (HCO3)
  9. involved in important chemical reactions in body, cell division, and hereditary traits.
    Phosphate
  10. fluid within cells (70%)
    ICF (intracellular fluid)
  11. fluid outside of cells (30%)
    ECF (extracellular fluid)
  12. -includes intravascular and interstitial fluids and transcellular
    -"third spacing": loss of ECF into a space tah does not contribute to equilibrium
    ECF
  13. What is the most sensitive indicator of body fluid balance?
    Daily weight
  14. pressure exerted on walls of blood vessels
    hydrostatic pressure
  15. pressure exerted by protein in the plasma
    osmotic pressure
  16. movement of fluid from area of lower solute concentration to area of higher solute concentration
    osmosis
  17. movement of molecules and ions from area of higher concentration to area of lower concentration
    diffusion
  18. Total body fluid in normal adult
    50-60%
  19. -infant has considerable more body fulid and ECF than adult
    -gender, amt of fat cells affect body water. Women and obese people have LESS body water.
    variations in fluid content
  20. SAME concentration of particles as plasma
    Isotonic
  21. solutions can be used to replace ECF losses and expand vascular volume
    Isotonic
  22. fluids include: NS/Lactated Ringers/D5W
    Isotonic
  23. only solution that can be used to administer blood products
    NS
  24. LESSER concentration of particles than plasma
    Hypotonic
  25. water gets pulled out of vessels into the cells
    Hypotonic
  26. Contraindicated in acute brain injuries
    Hypotonic
  27. Fluids include: 0.45%NS (1/2 NS) and 0.33%NS (1/3 NS)
    Hypotonic
  28. GREATER concentration of particles than plasma
    Hypertonic
  29. water is pulled from the cells into the vessels
    Hypertonic
  30. used to treat variety of specific problems and must be administered carefully
    Hypertonic
  31. Fluids include: > 0.9% NS (3%NS, 5%NS)/D10W/D50W
    Hypertonic
  32. at LEAST D10W
    TPN
  33. FRIED:
    F-fever
    R-restlessness
    I-increased BP and increased fluids
    E-edema
    D-dry mucosa and decreased urine output
    symptoms of hypernatremia
  34. MODEL:
    m-medications
    o-osmotic diuretics
    d-diabetes insipidus
    e-excessive water loss
    l-low water intake
    causes of hypernatremia
  35. greater than 145 mEq/L
    Hypernatremia
  36. less than 135 mEq/L
    Hyponatremia
  37. sodium excess
    Hypernatremia
  38. sodium deficit
    Hyponatremia

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