Question

A 32-year-old woman presents with persistent fatigue for 6 months. Full blood count reveals: Hb 105 g/L (115-165), MCV 75 fL (80-100), MCH 24 pg (27-32). What is the most important next investigation to determine the cause of her anaemia?

Accepted Answer

Serum ferritin

Answer

Serum B12 and folate

Answer

Reticulocyte count

Answer

Haemoglobin electrophoresis

Answer

Liver function tests

Practice question

A 32-year-old woman presents with persistent fatigue for 6 months. Full blood count reveals: Hb 105 g/L (115-165), MCV 75 fL (80-100), MCH 24 pg (27-32). What is the most important next investigation to determine the cause of her anaemia?