__________ activators are serine proteases present in the blood and a variety of other tissues, particularly the vascular endothelium.

Question

Quizplus · Accepted Answer

Endogenous activators are produced within the body and include serine proteases found in the blood and other tissues, such as the vascular endothelium. Exogenous activators come from outside the body, and xenogenous activators are of foreign origin. Therefore, choices A and C are incorrect, and choices D and E are not applicable to this question.

__________ Activators Are Serine Proteases Present in the Blood and a Variety