Von 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

Measures the activity of Factor VIII

Answer 3

Clot-based Coagulation Factor VIII

Question 4

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

Answer 4

Functional vWF Ristocetin Cofactor Assay (vWF: RCO)

Question 5

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

Answer 5

Functional vWF Ristocetin Cofactor Assay (vWF: RCO)

Question 6

Dilute Ristocetin-Induced Platelet Aggregation Assay (RIPA) is also called

Answer 6

RISTOCETIN RESPONSE CURVE

Question 7

Employed to diagnose vwD subtype 2B

Answer 7

Dilute Ristocetin-Induced Platelet Aggregation Assay (RIPA)