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What happens when two non-compatible blood types are mixed together platelet plug formation vascular spasm coagulation agglutination?
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Coagulation starts with a vascular spasm and ends with the formation of a platelet plug?
False. Coagulation starts almost instantly after an injury and ends in a fibrin clot.
What chemicals are involved in coagulation?
Platelet
Which hormone regulates platelet formation?
thrombopoietin
What is blood platelet plug formation?
a blockage
The most important ion involved in the blood clotting sequences is?
calcium is the impotant ion in coagulation The steps to coagulation: 1) Vasospasm: contraction of smooth muscle in the vessel wall, the severed ends may close completely. The body's reaction to the loss of blood is to seal off the hemoraging part completely. An example of this is the movie "Black Hawk Down" after the guy gets shot in the leg, and the medic says "I cant find the femoral artery" 2) Platelet Plug Formation: Platelets start to stack on top of each other to form rough surfaces to start clotting. 3) Coagulation 4) Fibrin strands form to collect blood cells and more platlets to stimulate clotting 5) Clot formation
What three components needed for hemostasis and coagulation?
Vasoconstriction, platelet plug formation and clotting of blood.
Coagulation starts with a vascular spasm and ends with the formation of a platelet plug?
False. Coagulation starts almost instantly after an injury and ends in a fibrin clot.
How physiological processes limit damage?
haemorrhage prevented by platelet aggregation and agglutination (clotting) and vasoconstriction to maintain blood pressure/perfusion pressure. formation of clot through platelet clumping and binding with protein fibrin.
What chemicals are involved in coagulation?
Platelet
What are the three steps of hemostasis?
the three steps of hemostasis are :- (1) vasoconstrictiion (2) blood platelet plug formation (3) coagulation of blood
What is 4 steps hemostatis?
vascular, platelet, coagulation, clot retraction, clot destruction
Which hormone regulates platelet formation?
thrombopoietin
What is blood platelet plug formation?
a blockage
What are three ways in which hemostasis occur?
Hemostasis is when the blood is outside the body by way of an injury. The vessels constrict and cause clotting to stop the bleeding.
What is the difference between primary hemostasis and secondary hemostasis in blood coagulation?
Primary hemostasis is the overall sequence of events that leads to the formation of a platelet plug, while Secondary hemostasis is the signal transduction pathway that leads to the formation of fibrin. Secondary Hemostasis is always a part of Primary hemostasis, but involves many clotting factors and other signaling molecules that are specific to the formation of fibrin
Why the blood does not clot in circulation despite having all the coagulation factors present?
Because coagulation requires a combination of platelet activation, activation of coagulation cascade (by trauma or damaged endothelial walls), and in predisposed individuals, abnormalities in regulator proteins such as protein C and anti-thrombin
What are the steps involved in the process of hemostasis?
1. vascular spasm 2. platelet phase 3. coagulation 4. retraction 5. fibrinolysis
