A 4 year old male child is observed to have anaemia and on enquiries from the mother, a history of child eating mud/pica is obtained. Which of the following deficiencies is likely in this child?

Appeared in: RML Lucknow - 2021

Explanation

The combination of anaemia and pica (specifically geophagia, or eating mud) is a hallmark clinical presentation of iron deficiency.
Iron is crucial for the synthesis of hemoglobin. Its deficiency leads to microcytic, hypochromic anemia, where red blood cells are small and pale.
The craving for non-nutritive substances like mud often subsides once the underlying iron deficiency is corrected with supplementation and dietary changes.
Other deficiencies like Vitamin B12 and Folic Acid cause a different type of anemia (megaloblastic) and are not typically associated with pica.

Option A: Vitamin B12 deficiency causes megaloblastic (macrocytic) anemia and is primarily associated with neurological symptoms, not pica.
Option B: Vitamin C deficiency causes scurvy, which is characterized by issues with collagen synthesis, leading to bleeding gums, poor wound healing, and joint pain. It does not cause this type of anemia or pica.
Option D: Folic acid deficiency, like B12 deficiency, causes megaloblastic (macrocytic) anemia. It is not associated with the specific behavior of pica.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain The association between pica (geophagia) and iron deficiency anemia in children as background academic context rather than a clinical decision trigger.
Recognizing pica as a potential sign of iron deficiency is a critical nursing assessment skill, especially in pediatric populations. It prompts further investigation into the child's nutritional status and environment.
Patient education is key. Nurses must educate caregivers about the importance of iron-rich foods, proper administration of iron supplements (with vitamin C, avoiding milk), and the dangers associated with pica (parasites, lead poisoning).
A 'What if?' scenario: What if the child's anemia was megaloblastic instead of microcytic? In that case, the priority would shift from investigating iron deficiency to evaluating for Vitamin B12 or Folic Acid deficiency, and the history would focus more on dietary patterns (e.g., veganism) or malabsorption symptoms.

How to Approach the Question

First, identify the key clinical findings presented in the scenario: a 4-year-old child, anemia, and a specific behavior (eating mud).
Recognize that 'eating mud' is a form of 'pica,' a well-known clinical sign.
Recall the common nutritional deficiencies and their hallmark symptoms. Connect the specific sign of pica/geophagia to its most common underlying cause.
Evaluate the options. Iron deficiency is strongly associated with pica. Vitamin B12 and Folic Acid deficiencies cause a different type of anemia (megaloblastic) and are not linked to pica. Vitamin C deficiency causes scurvy.
Synthesize the information: The combination of anemia and pica in a young child makes iron deficiency the most probable diagnosis.

Concept Tested & Keywords

Concept Tested: The association between pica (geophagia) and iron deficiency anemia in children.
Stem keywords: 4 year old, anaemia, pica, eating mud
Lead-in keywords: deficiencies is likely
Clinical cues: [object Object]
Negative lead-in flag: false

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Practise the full RML Lucknow - 2021

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