When a blood vessel is damaged, which of the following events occurs last?

A) Collagen is exposed.
B) Platelets adhere to collagen.
C) Platelets are activated.
D) Platelets begin to stick to each other and form a plug.
E) von Willebrand factor is produced.

von Willebrand Factor

A blood glycoprotein involved in hemostasis, acting as a carrier for factor VIII and promoting adhesion of platelets to damaged blood vessel walls.

Collagen

A structural protein found in the connective tissues, such as skin, bones, and tendons, providing strength, elasticity, and support.