What is the primary mechanism by which hemoglobin protects against oxidative damage?

A Binding of nitric oxide
B Binding of carbon monoxide
C Conversion of methemoglobin to hemoglobin ✓
D Binding of antioxidant enzymes

Explanation

Hemoglobin protects against oxidative damage by converting methemoglobin to hemoglobin, which helps to prevent the formation of reactive oxygen species.

Source

Biochemistry textbooks
Hematology Hematology: Hemoglobin and Oxygen Transport Hematology: Hemoglobin and Oxygen Transport Hard MEDICAL Confidence: high