What is the primary reason for administering isotonic crystalloid IV fluids to a client with fluid volume deficit?
To replace lost blood components
To restore extracellular fluid volume
To replenish electrolytes rapidly
To correct metabolic acidosis
The Correct Answer is B
Rationale:
A. Replacing lost blood components requires blood products, not isotonic crystalloids.
B. Isotonic crystalloid fluids (e.g., 0.9% sodium chloride, lactated Ringer’s) are administered to restore extracellular fluid volume in clients with fluid volume deficit.
C. While isotonic solutions contain electrolytes, their primary purpose is volume replacement, not rapid electrolyte correction.
D. Correcting metabolic acidosis may require specific interventions; isotonic fluids alone do not address acid-base imbalances.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Rationale:
A. 59% dextrose in lactated Ringer’s is not a standard solution and would be hypertonic and unsafe.
B. 0.45% sodium chloride does not provide the glucose necessary to prevent hypoglycemia.
C. 10% dextrose in water (D10W) is correct. If TPN runs out, a dextrose-containing solution should be administered to prevent hypoglycemia until the next TPN bag is available.
D. Lactated Ringer’s does not provide sufficient glucose to maintain blood sugar during TPN interruption.
Correct Answer is ["A","B","J"]
Explanation
Rationale
- Vital signs on admission and every 4 hr → establish baseline and monitor for instability.
- NPO → prevent worsening GI distress and prepare for possible procedures.
- Dextrose 5% in 0.45% sodium chloride IV at 125 mL/hr → correct fluid volume deficit and dehydration.
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