Which of the following is indicate iron deficiency anemia in children?

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

Explanation

Iron is an essential building block for hemoglobin, the protein that fills red blood cells (RBCs) and carries oxygen.
In iron deficiency anemia (IDA), the lack of iron impairs hemoglobin synthesis.
This results in the bone marrow producing red blood cells that are smaller than normal (microcytic) and paler than normal (hypochromic).
This finding is the classic morphological characteristic of IDA on a peripheral blood smear.

Option A: Anemia is fundamentally defined by a decrease in hemoglobin levels, which reduces the oxygen-carrying capacity of the blood. An increased level would indicate conditions like polycythemia.
Option B: While the reticulocyte count is typically low or normal in IDA (reflecting poor RBC production), the most definitive and characteristic finding describing the appearance of the red blood cells themselves is their microcytic and hypochromic nature.
Option C: The total count of red blood cells in IDA is usually normal or decreased. The body cannot produce enough cells due to the lack of iron.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Laboratory findings in Iron Deficiency Anemia (IDA) as background academic context rather than a clinical decision trigger.
Iron deficiency is the most common nutritional deficiency in children worldwide and can have long-term impacts on cognitive development and growth.
Nurses play a key role in screening at-risk populations (e.g., toddlers consuming large amounts of cow's milk, adolescents with poor diets) and providing dietary counseling to families.
Patient education on administering iron supplements is crucial for compliance and effectiveness. This includes advising to take it between meals and with a source of Vitamin C (like orange juice) to enhance absorption.

How to Approach the Question

First, identify the core concept of the question, which is the characteristic sign of iron deficiency anemia (IDA) in children.
Recall the basic pathophysiology of IDA: iron is essential for making hemoglobin.
Logically deduce the effect of low iron on red blood cells (RBCs). Without enough hemoglobin, the cells will be smaller and paler.
Evaluate each option based on this understanding.
Option A (Increased hemoglobin) is incorrect because anemia is defined by low hemoglobin.
Option C (Increased RBC count) is incorrect because the body can't produce enough RBCs without iron.

Concept Tested & Keywords

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E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 354-356

E6 Pathology- ROBBINS & COTRAN PATHOLOGIC BASIS OF DISEASE 10TH Ed p. 660-662

E6 Nelson Textbook of Pediatrics(2024) — Volume 2 p. 720-722

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