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.

Question

Quizplus · Accepted Answer

Platelets beginning to stick to each other and form a plug is the last step in the initial phase of hemostasis following a blood vessel injury. This process, known as platelet aggregation, occurs after platelets adhere to the exposed collagen (aided by von Willebrand factor) and become activated.

When a Blood Vessel Is Damaged, Which of the Following