This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Apoptosis, Subject name: Pathology
Which of the following is not a component of secondary hemostasis? 
Select and explain. 
A. Thrombin activation, B. Fibrin polymerization, C. Formation of coagulation factor complexes, D. Platelet degranulation
D: Platelet degranulation
Answer: D: Platelet degranulation 
Explanation: Platelet degranulation is a component of primary hematostasis.