Coagulation Quiz #2 Flashcards
1
Q
Ellagic acid or kaolin in the APTT reagent provide:
A
Maximum contact activation
2
Q
Natural controls of fibrinolysis: (Inhibitors of fibrinolysis)
A
alpha 2 antiplasmin
alpha 2 macroglobulin
3
Q
A person who has a Protein S deficiency tend toward: bleeding or clotting?
A
clotting
4
Q
Role of FIIa
A
converts fibrinogen to fibrin monomer
5
Q
Role of FVIIa
A
Activates FX to FXa
6
Q
Role of factor VIIIa
A
Complexes with V and X to activate X to Xa
7
Q
Role of factor XIIa
A
Activates plasminogen to plasmin
8
Q
Role of FXIIIa
A
Stabilizes the fibrin clot
9
Q
A patient with Hemophilia B would have a factor __ activity level of <1%
A
FIX
10
Q
Causes of increased thrombin time include:
A
dysfibrinogenemia
heparin in the sample
11
Q
A