When teaching a mother of a 4-month-old with diarrhea 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 5 Prelims - Sept 2023 (Shift-2)

Explanation

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• Acute gastroenteritis often damages the intestinal villi, where the enzyme lactase is produced.
• This leads to a temporary inability to digest lactose, a condition known as secondary or transient lactose intolerance.
• Continuing a regular, lactose-containing formula can worsen diarrhea due to the osmotic effect of undigested lactose drawing water into the gut.
• A soy-based or other lactose-free formula is easier to digest, provides necessary nutrition, and allows the infant's gut to rest and heal.
• While many infants can tolerate their usual formula, switching to a lactose-free option is a valid strategy, especially if diarrhea is significant or prolonged.

Why Other Options Were Wrong

• Option A: Fruit juices have a high sugar content and high osmolarity. This can worsen diarrhea by pulling excess water into the intestines (osmotic diarrhea) and does not provide the correct balance of electrolytes for rehydration.
• Option B: Diluted carbonated drinks are high in sugar and have an inappropriate, low concentration of essential electrolytes (like sodium and potassium) needed to correct dehydration from diarrhea.
• Option D: This is a dangerous practice. Mixing formula powder with an electrolyte solution (like ORS) instead of water creates a hypertonic, high-sodium feed. This can lead to hypernatremic dehydration, a potentially fatal condition.

Related Visual

• Visual 1: Diagram: Pathophysiology of secondary lactose intolerance, showing healthy intestinal villi versus villi damaged by gastroenteritis, leading to reduced lactase production.
• Visual 2: Chart: Comparison of osmolarity and electrolyte content in Oral Rehydration Solution (ORS), fruit juice, and soda, illustrating why only ORS is suitable for rehydration.

Clinical Relevance

• Nursing practice connection: Use the key finding related to Nutritional management of acute diarrhea in infants to guide bedside assessment, documentation, and the next nursing action.
• A primary nursing responsibility is educating caregivers on safe and effective management of pediatric diarrhea at home to prevent dehydration and the need for hospitalization.
• Patient safety is paramount. The nurse must explicitly warn parents NEVER to mix infant formula powder with anything other than the specified amount of clean water. This prevents life-threatening electrolyte imbalances.
• The first-line therapy for dehydration itself is an Oral Rehydration Solution (ORS). Feeding is continued to provide nutrition and promote gut healing.

How to Approach the Question

• Identify the core clinical problem: a 4-month-old infant with diarrhea at risk for dehydration.
• Analyze the question's focus: It asks about feeding for nutritional support and prevention of further dehydration, not just initial rehydration.
• Evaluate each option based on its physiological effect during diarrhea.
• Eliminate options with high sugar content (fruit juices, carbonated drinks) because they can cause osmotic diarrhea and worsen fluid loss.
• Recognize the critical safety risk of mixing formula with electrolyte solutions, which can cause hypernatremia. This is an absolute contraindication.
• Consider the pathophysiology of gastroenteritis, which often includes temporary lactose intolerance. A lactose-free formula addresses this potential issue, making it the most appropriate and safest feeding choice among the options.

Concept Tested & Keywords

• Concept Tested: Nutritional management of acute diarrhea in infants
• Stem keywords: 4-month-old, diarrhea, preventing dehydration, feeding
• Lead-in keywords: inform, importance of feeding
• Clinical cues: The patient is a 4-month-old infant, a population highly susceptible to dehydration due to higher basal fluid requirements.

Question ID

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