What is the primary function of fibrinogen in the coagulation cascade?

A To activate platelets
B To form a fibrin clot
C To inhibit the coagulation cascade
D To increase blood viscosity
Fibrinogen is a soluble plasma protein that is converted into fibrin during the coagulation cascade, forming a clot to stop bleeding.
Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Blood Components Hematology: Blood Components Medium MEDICAL Confidence: high