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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?

ECF osmotic concentration rises Signup and view all the answers

What is the consequence of a body compartment becoming dehydrated?

Preference for isotonic conditions Signup and view all the answers

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

0.9% NACL (saline solution) Signup and view all the answers

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

It may cause cells to swell and burst Signup and view all the answers

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

Edema in the lower legs Signup and view all the answers

What effect does giving a hypertonic solution have on cells?

Pulls water out of the cells causing them to shrink Signup and view all the answers

What are common causes of overhydration as per the text?

Ingestion of large volume of fresh water and injection of hypertonic solution Signup and view all the answers