What is the primary function of the hemoglobin molecule in the context of oxygen transport, in relation to the maintenance of blood pH?

A To buffer excess hydrogen ions ✓
B To generate excess hydrogen ions
C To transport carbon dioxide
D To maintain blood pressure

Explanation

Hemoglobin plays a crucial role in maintaining blood pH by buffering excess hydrogen ions, which helps to prevent a significant decrease in blood pH.

Source

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