Multiple Choice
A patient is admitted with prolonged epistaxis and prolonged bleeding from a recent tooth extraction.Initial screening workup reports prolonged APTT and BT, and abnormal aggregation on the PFA.Which of the following tests would help define the disorder?
A) von Willebrand's factor activity
B) von Willebrand's factor antigen
C) Factor VIII assay
D) All of the above
Correct Answer:

Verified
Correct Answer:
Verified
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