Willebrand Factor Activity Assays

Question 1

Introduced as an alternative procedure for RCo Assay

Answer 1

Collagen-Binding Enzyme-Linked Immunosorbent Assay (ELISA)

Question 2

marker of generalized endothelial dysfunction.

Answer 2

VWF antigen

Question 3

Measure the activity of Factor VIII

Answer 3

CLOT – BASED COAGULATION FACTOR VIII ASSAY

Question 4

Measures vWF

Answer 4

FUNCTIONAL VWF RISTOCETIN COFACTOR ASSAY (VWF:RCo)

Question 5

Mediated agglutination of platelets in the presence of an antibiotic (ristocetin)

Answer 5

FUNCTIONAL VWF RISTOCETIN COFACTOR ASSAY (VWF:RCo)

Question 6

Most commonly used assay for the measurement of the functional activity of vWF

Answer 6

FUNCTIONAL VWF RISTOCETIN COFACTOR ASSAY (VWF:RCo)

Question 7

DILUTE RISTOCETIN – INDUCED PLATELET AGGREGATION ASSAY (RIPA) is also called

Answer 7

RISTOCETIN RESPONSE CURVE

Question 8

Employed to diagnose VWD subtype 2B

Answer 8

RIPA