Which of the following substances, not normally present in the circulation, trigger the initiating events in the hemostatic process?
A.	Thrombin
B.	Platelet factor 3
C.	Tissue factor
D.	Collagen
Answer:C
Which of the following substances, not normally present in the circulation, trigger the initiating events in the hemostatic process?
A.	Thrombin B.	Platelet factor 3 C.	Tissue factor D.	Collagen