THE HUMAN IMMUNE SYSTEM
TRANSFUSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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vascular spasms constrict the flow of blood
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platelet plug forms, platelets adhere
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coagulation form fibers, scab forms
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thromus breaks away from vessel wall
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Detailed explanation-1: -Fibrin Clot Formation. The final steps in the coagulation cascade involve the conversion of fibrinogen to fibrin monomers which polymerizes and forms fibrin polymer mesh and result in a cross-linked fibrin clot.
Detailed explanation-2: -The end result of primary haemostasis is the formation of a stable platelet plug around which a fibrin network can then be built. This same process is responsible for the pathogenic thrombus formation in patients with arterial disease.
Detailed explanation-3: -The mechanism of hemostasis can divide into four stages. 1) Constriction of the blood vessel. 2) Formation of a temporary “platelet plug.” 3) Activation of the coagulation cascade. 4) Formation of “fibrin plug” or the final clot.