The swollen belly, irritability, and flaky skin are most commonly seen in which of the following?

BTSC Staff Nurse 30July-2025

Applied Nutrition & Dietetics

Easy

Appeared in: BTSC Staff Nurse 30July-2025

Explanation

Kwashiorkor is a form of severe acute malnutrition caused by a diet severely deficient in protein, while calorie intake may be relatively sufficient.
The hallmark sign is generalized edema (swelling), particularly in the abdomen ('pot belly'), feet, and face, which is caused by low levels of protein (albumin) in the blood.
Other classic features include 'flaky paint' dermatosis (skin that is hyperpigmented, dry, and peels easily), hair changes (loss of color, brittle), an enlarged fatty liver, and marked irritability or apathy.
The combination of a swollen belly, irritability, and flaky skin directly points to the diagnosis of Kwashiorkor.

Option A: Marasmus is characterized by severe wasting of muscle and subcutaneous fat due to a deficiency of all nutrients, especially calories. Edema and a swollen belly are absent.
Option C: Scurvy is caused by a deficiency of Vitamin C. Its primary symptoms involve impaired collagen synthesis, leading to bleeding gums, poor wound healing, and joint pain.
Option D: Rickets is caused by a deficiency of Vitamin D, calcium, or phosphate, leading to defective bone mineralization. Its main features are skeletal deformities.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Clinical differentiation of protein-energy malnutrition syndromes as background academic context rather than a clinical decision trigger.
Nurses must be able to differentiate between Kwashiorkor and Marasmus as their initial management differs, especially concerning fluid and electrolyte balance. Incorrect fluid management can be fatal.
Assessment of nutritional status is a key nursing role, especially in pediatric and community health settings. Using tools like mid-upper arm circumference (MUAC) tapes helps in early screening.
A critical nursing consideration during treatment is preventing 'refeeding syndrome'. Introducing nutrients too quickly can cause dangerous shifts in fluids and electrolytes, potentially leading to cardiac failure.

How to Approach the Question

First, identify the key clinical signs presented in the question: 1) swollen belly, 2) irritability, and 3) flaky skin.
Analyze the image provided, which visually confirms these signs: a distended abdomen and skin changes are visible.
Systematically evaluate each option against this clinical triad.
Recall or deduce the primary cause and hallmark features of each condition. Marasmus is calorie deficiency (wasting, no edema). Kwashiorkor is protein deficiency (edema, skin changes). Scurvy is Vitamin C deficiency (bleeding). Rickets is Vitamin D deficiency (bone issues).
The triad of symptoms in the question is the classic textbook presentation of Kwashiorkor. Eliminate the other options as their key features do not match.
Select Kwashiorkor as the correct answer because it is the only condition that accounts for all three presenting signs.

Concept Tested & Keywords

Concept Tested: Clinical differentiation of protein-energy malnutrition syndromes.
Stem keywords: swollen belly, irritability, flaky skin
Lead-in keywords: most commonly seen in
Clinical cues: [object Object]

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