Which of the following blood components plays a crucial role in maintaining the integrity of blood vessels?

A Fibrinogen
B Von Willebrand factor
C Platelet-derived growth factor
D All of the above ✓

Explanation

Fibrinogen, von Willebrand factor, and platelet-derived growth factor all play important roles in maintaining the integrity of blood vessels by promoting platelet adhesion, aggregation, and vessel repair.

Source

Robbins and Cotran Pathologic Basis of Disease
Hematology Hematology: Blood Components Hematology: Blood Components Medium MEDICAL Confidence: high