All of the Following Events Occur in the Extrinsic Pathway

question 40

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.

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