What is the primary function of the Kell blood group system in red blood cells?

A To regulate the expression of ABH antigens
B To maintain the structural integrity of the red blood cell membrane ✓
C To modulate the activity of complement proteins
D To influence the expression of glycosphingolipids

Explanation

The Kell blood group system plays a crucial role in maintaining the structural integrity of the red blood cell membrane by regulating the expression of certain proteins.

Source

Blood Bank Manual
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: high