Fill in the Blank QuestionFill in the blank question.With an injury to a blood vessel wall, in the plasma are activated, sticking to the exposed collagen in damaged blood vessel walls.

When a blood vessel is injured, what is the first response that takes place?Select one alternative:Exposed collagen fibres promote the adhesion of platelets to the site of injuryVascular spasm - smooth muscle cells of the damaged vessels constrict, reducing the amount of blood flow through the areaPrimary haemostasis: platelets immediately form a "plug" and stop blood lossA blood clot forms

Platelets cling to exposed collagen at the site of injury of a blood vessel. What is the result of this process called?Multiple ChoiceThrombosisPlatelet plugAgglutinationCoagulation

Which of the following plasma proteins plays a role in blood clotting?

The extrinsic pathway of coagulation is activated by the:Group of answer choicesRelease of tissue factor due to injury.Activation of a proenzyme exposed to collagen.Conversion of prothrombin to thrombin.Sticking of platelets to damaged tissue.

Fill in the Blank QuestionFill in the blank question.The force exerted by the blood against the inner walls of vessels is called .