The cascade of events in the intrinsic pathway can be set into motion when ________ comes into contact with collagen.
A) factor III
B) factor VII
C) factor X
D) factor XII
E) calcium

Question

Quizplus · Accepted Answer

The intrinsic pathway of blood coagulation is initiated when factor XII (Hageman factor) comes into contact with exposed collagen fibers at a site of injury. This contact activates factor XII, setting off a cascade of events leading to clot formation.

The Cascade of Events in the Intrinsic Pathway Can Be