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General Medicine · Haematology
Sample itemWhich laboratory result best supports iron-deficiency anaemia?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Low ferritin with microcytosis
Iron-deficiency anaemia commonly produces a low ferritin concentration and microcytic red cells, although inflammation can complicate ferritin interpretation.
Option by option
A. High platelet count alone
Platelet count alone is insufficient for iron status.
B. High ferritin with macrocytosis
Macrocytosis suggests another anaemia pattern.
C. Raised bilirubin only
Bilirubin reflects a different process.
D. Low ferritin with microcytosis (correct)
Correct: depleted iron stores lower ferritin and cause microcytosis.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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