When teaching a mother of a 4-month-old with diarrhoea about the importance of preventing dehydration, the nurse would inform the mother about the importance of feeding her child?

1. A

   Fruit juices

2. B

   Diluted carbonated drinks

3. C

   Soy-based, lactose-free formula

4. D

   Regular formulas mixed with electrolyte solutions

Appeared in: NORCET -4 , 2023

Explanation

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• Acute gastroenteritis can damage the intestinal villi, causing a temporary secondary lactase deficiency.
• A soy-based, lactose-free formula eliminates lactose, which the infant may be temporarily unable to digest, thus preventing further gut irritation and fluid loss.
• While continuing the usual formula is often the first recommendation, switching to a lactose-free formula is a standard therapeutic option for infants with significant or prolonged diarrhea.
• Compared to the other options which are actively harmful, a lactose-free formula is the only safe and appropriate dietary modification listed.

Why Other Options Were Wrong

• Option A: Fruit juices are hyperosmolar due to high sugar content. This draws water into the intestines, worsening osmotic diarrhea.
• Option B: These drinks have an inappropriate composition for rehydration; they are high in sugar and low in essential electrolytes like sodium.
• Option D: This is a dangerous practice. Mixing alters the specific osmolarity and nutrient balance of both the formula and the Oral Rehydration Solution (ORS), which can cause severe electrolyte imbalances like hypernatremia.

Related Visual

• Visual 1: Chart: Signs of Dehydration in Infants (Mild, Moderate, Severe) - A visual guide helps parents and nurses quickly assess the severity of dehydration by observing physical signs like skin turgor, fontanelle depression, and tear production.
• Visual 2: Infographic: Foods to Offer and Avoid During Diarrhea - This can visually summarize that an age-appropriate diet should be continued while avoiding sugary drinks and juices.

Clinical Relevance

• Nursing practice connection: Use the key finding related to Dietary management of acute gastroenteritis in infants to guide bedside assessment, documentation, and the next nursing action.
• The cornerstone of managing infant diarrhea is preventing and treating dehydration with Oral Rehydration Solution (ORS). Feeding is secondary but important for recovery.
• Nurses must educate caregivers to never mix ORS powder with anything other than the specified amount of clean water, and to never mix prepared ORS with formula, milk, or juice.
• Early reintroduction of an age-appropriate diet is crucial for gut healing and providing nutrition. The old advice of 'resting the bowel' or using the BRAT diet is outdated.

How to Approach the Question

• Identify the core clinical problem: selecting an appropriate food for a 4-month-old with diarrhea.
• Recall the pathophysiology of diarrhea in infants, including the risk of dehydration and potential for secondary lactase intolerance.
• Evaluate each dietary option against established pediatric guidelines for managing acute gastroenteritis.
• Eliminate options that are known to be harmful or ineffective. Sugary drinks like juices and sodas worsen osmotic diarrhea and have improper electrolyte levels.
• Recognize that altering the composition of formula or ORS by mixing them is a dangerous practice that can lead to severe complications.
• Select the option that represents a safe and therapeutically sound dietary modification. A lactose-free formula is a recognized intervention for suspected secondary lactase deficiency.

Concept Tested & Keywords

• Concept Tested: Dietary management of acute gastroenteritis in infants.
• Stem keywords: 4-month-old, diarrhoea, preventing dehydration, feeding
• Lead-in keywords: inform the mother about the importance of feeding
• Clinical cues: The patient is a 4-month-old infant, an age group highly vulnerable to dehydration.

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