Hemostasis Flashcards
1
Q
GpVI
A
Can directly bind collagen
2
Q
GpIa
A
Can directly bind collagen
3
Q
GpIb
A
Can indirectly bind collagen through vWF
4
Q
GpIIb/IIIa
A
Presented on activated platelets
Binds other platelets through fibrinogen and vWF
5
Q
Alpha granule
A
Fibrinogen and vWF
6
Q
Dens granule
A
Serotonin, ADP, Ca2+
7
Q
Serotonin
A
Vasoconstriction
8
Q
ADP
A
Platelet activation and aggregation
9
Q
TXA2
A
Vasoconstriction and platelet activation
10
Q
Intrinsic pathway activated by
A
Exposure of subendothelial collagen
11
Q
Extrisnsic pathway activated by
A
TF produced by endothelial cells
12
Q
Factors in intrinsic pathway
A
XII > XI > IX+VIII > XV > II > I
13
Q
Factors in extrinsic pathway
A
TF+VII > X + V > II > I
14
Q
IIa
A
Cleaves fibrinogen
Activates factor XIII
Activates factor VIII
15
Q
hMWK
A
Cofactor for XII