COPY: Electrolyte Balances AP 2: Fluid Movement and Shifts
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COPY: Electrolyte Balances AP 2: Fluid Movement and Shifts

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Questions and Answers

In response to an increase in extracellular fluid (ECF) osmotic concentration, where does water move?

  • From ECF to ICF (correct)
  • Water movement is not affected by osmotic concentration changes
  • Between ECF and ICF at equal rates
  • From ICF to ECF

    • What happens to fluid when extracellular fluid (ECF) osmotic concentration decreases?

  • Fluid becomes isotonic to ICF
  • Fluid becomes hyperosmotic to ICF
  • Fluid becomes hypotonic to ICF (correct)
  • Fluid becomes hypertonic to ICF

    • What is the main driving force for rapid water movements between the extracellular fluid (ECF) and intracellular fluid (ICF)?

  • Salt concentration
  • Osmotic gradient (correct)
  • Temperature difference
  • Pressure difference

    • Why does severe water loss lead to dehydration if electrolytes are retained?

    <p>ECF osmotic concentration rises</p> Signup and view all the answers

    What is the consequence of a body compartment becoming dehydrated?

    <p>Preference for isotonic conditions</p> Signup and view all the answers

    What is the first-line treatment for dehydration according to the text?

    <p>0.9% NACL (saline solution)</p> Signup and view all the answers

    What is the potential danger of giving a hypotonic solution to a severely dehydrated patient?

    <p>It may cause cells to swell and burst</p> Signup and view all the answers

    What condition might be a concern when administering a hypotonic solution to patients with renal or cardiac disease?

    <p>Edema in the lower legs</p> Signup and view all the answers

    What effect does giving a hypertonic solution have on cells?

    <p>Pulls water out of the cells causing them to shrink</p> Signup and view all the answers

    What are common causes of overhydration as per the text?

    <p>Ingestion of large volume of fresh water and injection of hypertonic solution</p> Signup and view all the answers

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