Which of the following anemias is characterized by a defect in the synthesis of heme?

A Sideroblastic anemia ✓
B Pernicious anemia
C Iron deficiency anemia
D Porphyria cutanea tarda

Explanation

Sideroblastic anemia is a group of disorders characterized by a defect in the synthesis of heme, leading to the accumulation of iron in the mitochondria of red blood cell precursors.

Source

American Journal of Hematology
Hematology Hematology: Anemia Hematology: Anemia Hard MEDICAL Confidence: high