Which clotting pathway involves the combining of thromboplastin (factor III) with factor VII and calcium?
A) The intrinsic pathway
B) The extrinsic pathway
C) The common pathway
D) Each of the three pathways (intrinsic, extrinsic, and common).

Question

Quizplus · Accepted Answer

The extrinsic pathway is initiated when thromboplastin (factor III) is released from damaged tissues and combines with factor VII and calcium to activate factor X.

Which Clotting Pathway Involves the Combining of Thromboplastin (Factor III)