In the Shakir tape method for assessing nutritional status in children, what does the red color zone indicate?

Appeared in: BTSC Staff Nurse 1 August-2025

Explanation

The red color on a Shakir (MUAC) tape indicates Severe Acute Malnutrition (SAM).
This corresponds to a Mid-Upper Arm Circumference (MUAC) measurement of less than 11.5 cm (115 mm).
SAM is a life-threatening condition that requires immediate therapeutic feeding and medical care to prevent complications and mortality.

Option B: Normal nutritional status is indicated by the green zone on the tape.
Option C: The Shakir tape is a tool designed to screen for undernutrition (wasting), not for overweight or obesity.
Option D: Moderate acute malnutrition (MAM) is indicated by the yellow zone on the tape.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Interpretation of MUAC tape (Shakir tape) color codes for nutritional assessment in children as background academic context rather than a clinical decision trigger.
MUAC measurement is a simple, fast, and effective screening tool for community health workers and nurses to identify malnutrition in children aged 6-59 months, especially in resource-limited settings.
A child identified in the red zone requires immediate referral to a health facility for inpatient or outpatient therapeutic care to prevent complications and death.
What if?: If a child measures in the yellow zone (Moderate Acute Malnutrition), they do not typically require urgent hospitalization but should be enrolled in a supplementary feeding program and receive regular follow-up to prevent deterioration into severe malnutrition.

How to Approach the Question

First, identify the tool mentioned in the question: 'Shakir tape'. Recall that this is used for measuring Mid-Upper Arm Circumference (MUAC).
Next, understand the purpose of the tool: assessing nutritional status in children.
Focus on the specific part of the tool asked about: the 'red color zone'.
Recall or deduce the color-coding system for MUAC tapes. The colors often represent a traffic light system: green (good/go), yellow (caution), and red (danger/stop).
Therefore, red signifies the most severe condition.
Evaluate the options: 'Severe acute malnutrition' is the most severe condition listed and logically corresponds to the red danger zone.

Concept Tested & Keywords

Concept Tested: Interpretation of MUAC tape (Shakir tape) color codes for nutritional assessment in children.
Stem keywords: Shakir tape, nutritional status, children, red color zone
Lead-in keywords: what does...indicate

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E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 798-800

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

Practise the full BTSC Staff Nurse 1 August-2025

Attempt every question from this paper in a timed mock, then review the full solution for each one.