Which Statement Concerning Platelets Is INCORRECT

Multiple Choice

Which statement concerning platelets is INCORRECT?

A) Platelets do not adhere to normal vascular surfaces.
B) Aggregated platelets release ADP, which causes other platelets to become sticky and adhere to the platelet plug.
C) Platelets directly convert fibrinogen to fibrin.
D) A platelet plug releases chemicals that cause the injured vessel to constrict.