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Why is fibrin not normally present in the blood?
Fibrin is not normally present in the bloodstream because it is a part of a blood clot. To have circulating fibrin would be to have circulating blood clots, which is a medical emergency. Within the plasma, however, is the precursor to fibrin - fibrinogen. When this is activated, such as by signalling molecules released by damaged cells lining a blood vessel, fibrinogen is cut into fibrin at that location to create a clot and stop the bleeding.
Is Fibrin a white blood cell?
No, fibrin is not a white blood cell. Fibrin is a protein that plays a key role in the blood clotting process, helping to form a mesh-like structure to stop bleeding. White blood cells, on the other hand, are part of the immune system and play a role in fighting infections and diseases.
Do red blood cells release chemicals that form fibrin?
Red blood cells (RBCs) do not release chemicals that directly form fibrin. Instead, fibrin formation is primarily part of the coagulation cascade, which involves platelets and various clotting factors. When a blood vessel is injured, platelets aggregate at the site and release substances that activate these clotting factors, ultimately leading to the conversion of fibrinogen to fibrin, which helps form a stable blood clot. While RBCs are involved in the overall process of hemostasis, they do not participate in the chemical reactions that create fibrin.
Can you refuse optional features such as lowjack and sealants after you singed the contract on a new car?
If those options were not part of the deal, then tell the dealer that you will not pay for them. If you signed for those options, unless you can persuade the dealer to leave them off, you are stuck. Sealants are a total rip off.
Does aerobic sealant cure with presence of air?
Yes. Anaerobic sealants cure without air (such as two part epoxies, etc).
What type of sealant will brake fluid not destroy?
In a braking system, if the part has failed or is leaking, then it has to be replaced. There are no sealants used on a hydraulic braking system.
Which activity is not part of the dispersal organization?
cleaning equipment in preparation for dispersing
Which of the following is not part of necessary outdoor preparation?
Make sure your phone is
Is not part of necessary outdoor preparation?
make sure your cell phone is charged
Is bread part of a chemical change?
Yes, the preparation of bread is a chemical process.
What part of necessary outdoor preparation?
make sure your cell phone is charged
What subpart of the 49 cfr covers the preparation of shipping papers?
sub part c
