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General Medicine · Haematology
Sample itemWhich blood-film description is most characteristic of iron deficiency anaemia?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Microcytic hypochromic red cells
Iron deficiency limits haemoglobin synthesis, leading to small, pale red cells and often a raised red-cell distribution width; the underlying source of iron loss must also be identified.
Option by option
A. Macrocytic red cells with hypersegmented neutrophils
Macrocytosis with hypersegmented neutrophils suggests B12 or folate deficiency.
B. Microcytic hypochromic red cells (correct)
Correct: iron deficiency classically causes microcytosis and hypochromia.
C. Spherocytes after haemolysis
Spherocytes are associated with haemolytic processes such as hereditary spherocytosis.
D. Blasts in acute leukaemia
Blasts suggest marrow malignancy, not simple iron deficiency.
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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