Which of the following laboratory tests is used to diagnose and monitor sideroblastic anemia?

A Serum ferritin
B Serum iron
C Transferrin saturation
D Ring sideroblasts on bone marrow biopsy ✓

Explanation

Sideroblastic anemia is characterized by the presence of ring sideroblasts in the bone marrow, which can be diagnosed and monitored through bone marrow biopsy.

Source

Williams Hematology
Hematology Hematology: Anemia Hematology: Anemia Hard MEDICAL Confidence: high