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What are the functional advantages of the shortcut of the extrinsic pathway and of the multiple steps of the intrinsic pathway?
The extrinsic pathway shortcut allows for a rapid response to tissue injury by activating factor X directly, leading to a quicker initiation of the coagulation cascade. The multiple steps of the intrinsic pathway provide amplification of the coagulation response, resulting in a more robust clot formation and greater sensitivity to stimuli.
Which pathway of blood coagulation has factor VIII th as important factor?
Factor VIII is crucial in the intrinsic pathway of the blood coagulation system. It helps in the activation of factor X, which is a key step in the formation of a blood clot. Without factor VIII, this pathway would be impaired, leading to difficulties in clot formation.
What coagulation factors are measured by the PT?
Prothrombin time (PT) measures the activity of coagulation factors in the tissue factor pathway of the coagulation cascade.
Formation of thromboplastin?
Thromboplastin, also known as tissue factor, is released from damaged tissues or activated platelets during blood vessel injury. It initiates the extrinsic pathway of the coagulation cascade by forming a complex with coagulation factor VII, triggering the cascade that ultimately leads to the formation of a blood clot.
What contains the genes for the proteins needed for a specific metabolic pathway?
The genes for the proteins needed for a specific metabolic pathway are contained within the DNA of an organism's genome. These genes encode for enzymes or other proteins that catalyze the various steps of the pathway, allowing the organism to carry out the metabolic process.
What are the functional advantages of the shortcut of the extrinsic pathway and of the multiple steps of the intrinsic pathway?
The extrinsic pathway shortcut allows for a rapid response to tissue injury by activating factor X directly, leading to a quicker initiation of the coagulation cascade. The multiple steps of the intrinsic pathway provide amplification of the coagulation response, resulting in a more robust clot formation and greater sensitivity to stimuli.
What Coagulation pathway is activated by factors within the bloodstream?
Extrinsic
Which pathway of blood coagulation has factor VIII th as important factor?
Factor VIII is crucial in the intrinsic pathway of the blood coagulation system. It helps in the activation of factor X, which is a key step in the formation of a blood clot. Without factor VIII, this pathway would be impaired, leading to difficulties in clot formation.
In what general way do the intrinsic and extrinsic mechanisms of clotting differ?
extrinsic pathway of coagulation the mechanism that produces fibrin following tissue injury, beginning with formation of an activated complex between tissue factor and factor VII and leading to activation of factor X, inducing the reactions of the common pathway of coagulation.intrinsic pathway of coagulation a sequence of reactions leading to fibrin formation, beginning with the contact activation of factor XII, and resulting in the activation of factor X to initiate the common pathway of coagulation.
What cause a coagulation cascade?
A coagulation cascade is caused by the tissue factor pathway. You can learn more about this online at the Wikipedia. Once on the page, type "Coagulation" into the search field at the top of the page and press enter to bring up the information.
What is the extrinsic coagulation system?
The extrinsic coagulation system is one of the two initial pathways in the blood coagulation process that is activated by external trauma or injury. It involves factors released from damaged blood vessels and tissues to initiate clot formation. This pathway ultimately converges with the intrinsic pathway to form a stable blood clot.
What coagulation factors are measured by the PT?
Prothrombin time (PT) measures the activity of coagulation factors in the tissue factor pathway of the coagulation cascade.
What test measures the coagulation properties of blood?
The prothrombin time (PT) test measures how long it takes for blood to clot. This test evaluates the coagulation factors involved in the extrinsic pathway.
Alpha 1-antitrypsin role in coagulation?
Alph-1-antitrypsin, produced in the liver, is a protease inhibitor. It inhibits Factor XIa, thrombin, kallikrein, plasmin, and tPA in the coagulation pathway. It is the major inhibitor of FXIa.
What is 4 steps hemostatis?
vascular, platelet, coagulation, clot retraction, clot destruction
What is the function of the prothrombine?
In the blood coagulation pathway, thrombin acts to convert factor XI to XIa, VIII to VIIIa, V to Va, and fibrinogen to fibrin.
What are the three steps of hemostasis?
the three steps of hemostasis are :- (1) vasoconstrictiion (2) blood platelet plug formation (3) coagulation of blood
