blood Clotting Process Flashcards
0
Q
What do platelets change from when there is damaged to a vessel?
A
They change from flat discs to spheres with long thin projections.
1
Q
when a blood vessel wall becomes damaged the first thing to form is
A
A platelet plug
2
Q
what helps platelets to stick together?
A
Platelets release substances that active more and more platelets.
3
Q
what is prothrombin?
A
A soluble plasma protein.
4
Q
Prothrombin is a protein that is converted into thrombin .. The role of thrombin is?
A
Catalysing the conversion of soluble protein fibrinogen into fibrin
5
Q
Fibrin is …
A
Long insoluble strands of protein
6
Q
What causes the blood the clot?
A
Fibrin strands, which make a mesh trapping blood cells.
