6 years old girl having severe muscle wasting, delayed growth and increase susceptibility to infection. What… - SGPGI Nursing Officer-2023

SGPGI Nursing Officer-2023

Applied Nutrition & Dietetics

Hard

Appeared in: SGPGI Nursing Officer-2023

Explanation

The combination of severe muscle wasting, delayed growth (failure to thrive), and increased susceptibility to infection points to a systemic deficiency affecting cell division, metabolism, and immune function.
Cobalamin (Vitamin B12) is essential for DNA synthesis, which is critical for all rapidly dividing cells, including those required for growth and for producing immune cells (leukocytes).
A deficiency in B12 directly impairs the body's ability to grow, maintain muscle mass, and mount an effective immune response, matching the triad of symptoms perfectly.
While other B-vitamin deficiencies can cause some of these symptoms, Cobalamin deficiency is the most likely cause for this specific combination of severe systemic effects in a child.

Option A: Thiamine (Vitamin B1) deficiency, or Beriberi, can cause muscle wasting and failure to thrive. However, it is more classically associated with peripheral neuropathy (dry beriberi) or cardiovascular symptoms (wet beriberi). The prominent feature of increased susceptibility to infection is less characteristic of thiamine deficiency compared to cobalamin deficiency.
Option B: Riboflavin (Vitamin B2) deficiency, or ariboflavinosis, primarily presents with oral-ocular signs. These include cheilosis (cracks at the corners of the mouth), glossitis (sore, magenta tongue), and seborrheic dermatitis. It does not typically cause severe muscle wasting or growth failure.
Option D: Folate (Vitamin B9) deficiency is a primary cause of megaloblastic anemia, similar to B12 deficiency, and can lead to fatigue and poor growth. However, the severe muscle wasting and profound immune dysfunction described are more specifically characteristic of Cobalamin deficiency, which also has significant neurological roles.

Clinical Relevance

Nursing practice connection: Knowing Clinical manifestations of Vitamin B complex deficiencies in children helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Nurses play a critical role in identifying signs of nutritional deficiencies during routine check-ups by carefully assessing growth charts, developmental milestones, and dietary history.
Early recognition and intervention for Vitamin B12 deficiency are crucial to prevent irreversible neurological damage and long-term developmental delays.
What if the child's family followed a strict vegan diet? This would significantly increase the clinical suspicion for Vitamin B12 deficiency, as B12 is almost exclusively found in animal products. The nurse would need to provide targeted dietary counseling and recommend supplementation.

How to Approach the Question

First, break down the patient's presentation into key symptoms: 1) severe muscle wasting, 2) delayed growth, and 3) increased infections.
Recognize that this triad of symptoms points towards a severe, systemic nutritional deficiency affecting multiple body systems (musculoskeletal, immune, and overall development).
Consider each option: Evaluate the classic signs of deficiency for each vitamin provided.
Thiamine (B1): Causes muscle wasting but is more known for neuropathy/heart failure.
Riboflavin (B2): Causes oral/skin issues, which are not mentioned.
Folate (B9): Causes anemia and can affect growth, but the other signs are less prominent.

Concept Tested & Keywords

Concept Tested: Clinical manifestations of Vitamin B complex deficiencies in children.
Stem keywords: severe muscle wasting, delayed growth, increase susceptibility to infection
Lead-in keywords: ideal supplement
Clinical cues: Patient is a 6-year-old girl, indicating a pediatric case where developmental and growth parameters are critical.
Negative lead-in flag: false

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