J11 Path 66. Coagulation

Q: All of the following are true about blood coagulation, except:

(a) Factor X is part of both intrinsic and extrinsic pathways.
(b) Extrinsic pathway is activated by contact with negatively charged surfaces.
(c) Intrinsic pathway can be activated in vitro.
(d) Calcium is required in several steps of coagulation.



                                                                                                   A: b. Extrinsic...