All of the Following Events Occur in the Extrinsic Pathway

Multiple Choice

All of the following events occur in the extrinsic pathway except:

A) Factor VII is activated to factor VIIa in the presence of calcium and tissue factor.
B) Factors VII, IV, and III activate factor X to Xa.
C) Thrombin generated enhances factors V and VIII to accelerate the intrinsic pathway.
D) Collagen activates factor XII to XIIa.
E) None of the above.