Gomez classification for protein energy malnutrition is based on -

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2023

Explanation

The Gomez classification is a system used to assess the severity of Protein Energy Malnutrition (PEM) in children.
It is based on the principle of weight retardation, comparing a child's actual weight to the 50th percentile (median) weight of a healthy child of the same age.
The formula used is: (Actual weight / Expected weight for age) × 100.
This classification is particularly useful for rapid screening and surveys in community health settings due to its simplicity.

Option A: Weight for height is not the basis for the Gomez classification. It measures a different aspect of malnutrition.
Option C: A single weight measurement without a comparative standard (like age or height) is insufficient to accurately assess nutritional status.
Option D: Height for age is not the basis for the Gomez classification.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of Protein Energy Malnutrition (PEM) as background academic context rather than a clinical decision trigger.
Nurses use PEM classifications like Gomez to quickly screen children for malnutrition in community and clinical settings, which allows for early intervention and referral.
Understanding the basis of different classifications (e.g., Gomez for underweight vs. Waterlow for wasting/stunting) is crucial for accurately interpreting a child's complete nutritional status.
What if? If a child has a normal weight-for-age (Gomez) but a low height-for-age (Waterlow), the nurse should suspect 'stunting' (chronic malnutrition). This indicates a long-term nutritional problem that requires different interventions than acute weight loss.

How to Approach the Question

First, identify the key term in the question, which is 'Gomez classification'.
Recall the specific anthropometric measurement that this particular classification system uses to assess Protein Energy Malnutrition (PEM).
The question asks what the classification is 'based on', which requires knowing the index parameter used in its formula.
Evaluate the given options: 'Weight for age' is the standard parameter for Gomez classification. 'Weight for height' and 'Height for age' are associated with other systems like Waterlow's. 'Weight only' is an incomplete measure.
Select the option that correctly identifies the foundational parameter for the Gomez classification.

Concept Tested & Keywords

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E6 Nutrition Monika Sharma 3e p. 222-224

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 468-470

E6 Comprehensive Textbook of Community Health NursingShyamala D part 1 (pp 26-389 of 389) p. 309-311

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