Single most sensitive tool for evaluating the iron status is: (A) Haemoglobin concentration, (B) Serum ion concentration, (C) Serum ferritin, (D) Serum transferrin saturation
Answer is C. Serum ferritin is the single most sensitive tool for evaluating the iron status.It reflects the size of Iron stores in the body. Values below 10 mcg/L indicate an absence of stored iron.Park 23e pg: 623