NORCET 3 - 2022 (Shif…: A 6 years old baby is kept NPO before 4 hours of endoscopy procedure. Which of the following fluid would be p…

NORCET 3 - 2022 (Shift-2)

Child Health Nursing (Pediatrics)

Hard

Appeared in: NORCET 3 - 2022 (Shift-2)

Explanation

Isolyte-P is a balanced, isotonic electrolyte solution specifically formulated for pediatric maintenance therapy.
The 'P' in Isolyte-P stands for Pediatric, indicating its tailored composition for children's metabolic needs.
It contains 5% dextrose, which is essential to prevent hypoglycemia in a child who is fasting (NPO).
Its electrolyte profile includes lower sodium and chloride compared to adult fluids like Normal Saline, plus added potassium, which is appropriate for a child's daily requirements and avoids the risk of electrolyte imbalances.

Option B: 10% Glucose lacks any electrolytes (like sodium and potassium). Using it as a maintenance fluid would lead to dilution of the child's electrolytes, causing dangerous hyponatremia.
Option C: This option is redundant and nonsensical, as DNS (Dextrose Normal Saline) is by definition Dextrose in 0.9% Normal Saline. It is not a distinct fluid choice.
Option D: DNS (D5NS) contains a high concentration of sodium (154 mEq/L), which is excessive for routine pediatric maintenance. It can lead to hypernatremia and hyperchloremic metabolic acidosis.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pediatric Intravenous Fluid Maintenance as background academic context rather than a clinical decision trigger.
A key nursing responsibility is understanding that pediatric fluid requirements are not just a scaled-down version of adult needs. Children have different metabolic rates and kidney function, making the choice of fluid critical.
Nurses must meticulously monitor pediatric patients on IV fluids for signs of fluid overload (e.g., puffy eyes, rapid breathing, crackles in lungs) or dehydration, and check lab values to ensure electrolyte balance.
What if the child was presenting with shock from severe dehydration? The priority would shift from maintenance to resuscitation. The nurse would anticipate an order for a rapid bolus of an isotonic crystalloid like 0.9% Normal Saline or Ringer's Lactate (20 mL/kg), not a maintenance fluid like Isolyte-P.

How to Approach the Question

First, identify the key patient details: a 6-year-old child. This immediately signals that pediatric-specific knowledge is required.
Next, understand the clinical context: the child is stable and NPO for a short procedure. This indicates the need for 'maintenance' fluids, not emergency resuscitation.
Evaluate each option based on its suitability for pediatric maintenance. Look for a fluid that provides glucose (to prevent hypoglycemia) and a balanced set of electrolytes appropriate for a child.
Recognize that specific product names can be clues. The 'P' in 'Isolyte-P' is a strong hint that it is a pediatric formulation.
Eliminate options that are clearly unsuitable: 10% glucose lacks electrolytes, and DNS has an electrolyte profile (high sodium) that is more suited for adults or for resuscitation, not pediatric maintenance.

Concept Tested & Keywords

Concept Tested: Pediatric Intravenous Fluid Maintenance
Stem keywords: 6 years old, NPO, endoscopy, fluid
Lead-in keywords: Which of the following
Clinical cues: Patient is a 6-year-old child, which requires specific pediatric considerations for fluid therapy.
Clinical cues: Patient is NPO, indicating the need for maintenance fluids to prevent hypoglycemia and dehydration.

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E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 571-573

E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 57-59

E6 Medicine Davidson Principles Practice 24e p. 373-375