What is the primary function of the blood component that expresses selectin, a cell adhesion molecule?

A To regulate the activation of platelets
B To facilitate the rolling of leukocytes on endothelial cells ✓
C To inhibit the aggregation of red blood cells
D To enhance the phagocytosis of foreign particles

Explanation

Selectin is a cell adhesion molecule that plays a crucial role in the rolling of leukocytes on endothelial cells, which is an essential step in the inflammatory response.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Blood Components Hematology: Blood Components Medium MEDICAL Confidence: high