What is the role of heme oxygenase in the context of anemia?

A It breaks down hemoglobin to produce bilirubin ✓
B It synthesizes heme from iron and porphyrin
C It regulates the expression of genes involved in erythropoiesis
D It catalyzes the formation of methemoglobin

Explanation

Heme oxygenase is an enzyme that breaks down heme to produce bilirubin, carbon monoxide, and ferrous iron, which is then recycled to produce new hemoglobin.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Anemia Hematology: Anemia Medium MEDICAL Confidence: high