Fluid Replacement Therapies Quiz
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Questions and Answers

What is the primary function of fluid in the body?

  • To provide a medium for nutrient transfer to cells
  • To regulate body temperature
  • To transfer waste from cells
  • All of the above (correct)

What are the consequences of hyponatremia?

  • Confusion and weakness (correct)
  • Peripheral edema
  • Irritability and seizures
  • Decreased cardiac output

What is hypovolemia and what are its potential consequences?

  • A loss of intracellular fluid volume, leading to a decrease in cardiac output and tissue perfusion
  • A loss of extracellular fluid volume, leading to a decrease in cardiac output and tissue perfusion (correct)
  • An increase in intracellular fluid volume, leading to pulmonary edema
  • An increase in extracellular fluid volume, leading to peripheral edema

What is the recommended oral rehydration therapy for moderately dehydrated children?

<p>50-100 ml ORS solution for each diarrheal stool and 10 ml/kg body weight for each additional vomiting episode over a 4-hour period (A)</p> Signup and view all the answers

What are the potential consequences of overhydration?

<p>Peripheral edema and pulmonary edema in severe cases (D)</p> Signup and view all the answers

What is the primary goal of fluid and electrolyte replacement therapy?

<p>To maintain homeostasis of the internal environment (B)</p> Signup and view all the answers

What is the primary effect of hypotonic solutions?

<p>Relocating body fluid tonically (A)</p> Signup and view all the answers

Which solution is often used in the treatment of hyperosmolar diabetes due to its balanced isotonic nature?

<p>Lactated Ringer solution (B)</p> Signup and view all the answers

In what condition is 5% dextrose in water effective due to its rapid metabolism and conversion to an isotonic solution?

<p>Dehydration (B)</p> Signup and view all the answers

What is a potential use of hypertonic saline (HTS) in resuscitation according to the text?

<p>Promoting water channel hydration in damaged cells (A)</p> Signup and view all the answers

Which type of solution is good for fluid resuscitation, acute blood loss, and plasma loss due to burns or trauma?

<p>Isotonic solution (B)</p> Signup and view all the answers

What distinguishes hypotonic solutions from isotonic and hypertonic solutions?

<p>'Lower osmolality than body fluids' definition (C)</p> Signup and view all the answers

What is the purpose of giving isotonic solutions like Lactated Ringers to patients losing both water and solute?

<p>To maintain fluid balance like plasma (D)</p> Signup and view all the answers

What effect of hypotonic solutions makes them particularly useful when a patient has substantial salt losses?

<p>'Hydrating cells' effect (D)</p> Signup and view all the answers

'5% dextrose in water' becomes effective for dehydration and shock due to what characteristic?

<p>'Rapid metabolism of dextrose' (B)</p> Signup and view all the answers

'Isotonic fluid loss can be replaced with' which of the following solutions according to the text?

<p>'Half-normal saline' (C)</p> Signup and view all the answers

Which solution is recommended by the World Health Organization for rehydration?

<p>Oral rehydration solution (ORS) (A)</p> Signup and view all the answers

What is the standard amount of ORS to be given over the first 4-6 hours to a severely dehydrated child?

<p>$50 ml/kg body weight (D)</p> Signup and view all the answers

For persistent diarrhea in non-breastfed infants, what is recommended in addition to ORS?

<p>Mixed zinc and low osmolarity ORS (A)</p> Signup and view all the answers

What is the contraindication for the use of Ringer's lactate?

<p>Fluid resuscitation in liver disease (B)</p> Signup and view all the answers

What is a consequence of using hypertonic saline solutions without proper care?

<p>Increased hyperglycemia (C)</p> Signup and view all the answers

In which scenario should one switch to NGT or IV rehydration according to the text?

<p>If no improvement is seen over a 4-6 hour period for severely dehydrated children (B)</p> Signup and view all the answers

What is the aim of giving ORS equal to 75 ml/kg body weight over the next 4 hours?

<p>To prevent dehydration (B)</p> Signup and view all the answers

What should be continued for 2 days for the success of therapy according to the text?

<p>Spoon feeding of ORS with supplementary zinc if available (D)</p> Signup and view all the answers

'Electrolyte-depleted patients were traditionally given hypertonic saline followed by dextrose solutions.' What was largely driven by this regime?

<p>'the wish to avoid sodium losses often assumed to occur with normal or half-normal saline and/or the wish to administer high caloric loads from the glucidic solutions' (D)</p> Signup and view all the answers
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