Which is NOT a common symptom of iron deficiency?

Question

BlackTom AI · Accepted Answer

Question restatement: Which is NOT a common symptom of iron deficiency? Answer options are:
- a. growth retardation
- b. concave finger nails
- c. impaired cognitive function
- d. weakness and fatigue

Option A: growth retardation. While iron deficiency can contribute to growth issues in severely affected children, this is not a universally observed or universally labeled “common” symptom across all populations. In many contexts, growth retardation is a more indirect or less consistently reported outcome, and may only appear in cases of prolonged, significant deficiency or in specific developmental circumstances. Therefore, this is the choice that is least consistently described as a common symptom across typical clinical presentations.

Option B: concave finger nails (koilonychia). Koilonychia is a classic physical finding associated with iron deficiency anemia, particularly in more prolonged cases. While not present in every patient, it is indeed recognized as a common, exam-friendly symptom.

Option C: impaired cognitive function. Iron deficiency, especially in children, is linked to attention, learning, and cognitive function impairments. This is a well-documented and commonly discussed consequence in medical literature and school health contexts.

Option D: weakness and fatigue. Fatigue and generalized weakness are among the most frequent and earliest symptoms reported in individuals with iron deficiency anemia, making this a clearly common symptom.

Summary: Among the listed symptoms, growth retardation is less consistently observed as a direct, common symptom across diverse populations, whereas koilonychia, cognitive impairment, and fatigue are more regularly associated with iron deficiency. Thus, option a. growth retardation is the one that is NOT a common symptom in the typical presentation.

Which is NOT a common symptom of iron deficiency?

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