Question

A 35-year-old woman presents with fatigue. Full blood examination shows Hb 94 g/L, MCV 72 fL, and platelets 420 × 10⁹/L. She has a history of heavy menstrual bleeding. Which single investigation is most useful to confirm iron deficiency as the cause of her anaemia?

Accepted Answer

Serum ferritin level

Answer

Serum iron concentration

Answer

Total iron-binding capacity

Answer

Reticulocyte count

Answer

Bone marrow biopsy

Practice question

A 35-year-old woman presents with fatigue. Full blood examination shows Hb 94 g/L, MCV 72 fL, and platelets 420 × 10⁹/L. She has a history of heavy menstrual bleeding. Which single investigation is most useful to confirm iron deficiency as the cause of her anaemia?