What is the primary mechanism by which hemoglobin protects against oxidative damage in red blood cells?

A By binding to antioxidant enzymes
B By scavenging reactive oxygen species ✓
C By reducing the formation of methemoglobin
D By increasing the activity of superoxide dismutase

Explanation

Hemoglobin protects against oxidative damage in red blood cells by scavenging reactive oxygen species, thereby preventing them from causing damage to cellular components.

Source

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