What is the name of the protein that helps to stabilize the hemoglobin molecule and prevent its loss in the urine?

A Haptoglobin ✓
B Hemopexin
C Transferrin
D Ceruloplasmin

Explanation

Haptoglobin is a protein that binds to free hemoglobin in the blood and helps to remove it from the circulation, thereby preventing its loss in the urine.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Hemoglobin and Oxygen Transport Hematology: Hemoglobin and Oxygen Transport Medium MEDICAL Confidence: high