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 not help define the disorder?

a. von Willebrand's factor activity
b. von Willebrand's factor antigen
c. Factor VIII assay
d. Prothrombin time

Correct Answer: D

Health Professions

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What is the name of the first American self-contained breathing apparatus?

a. The Gibbs b. Neally's Smoke Excluding Mask c. The Air Pac d. Apparatus Aldini

Health Professions

Which of the following is a possible anatomical barrier to the success of an infiltration technique?

A) Root angulations B) Syringe angulations C) Frenal attachments D) Large exostoses

Health Professions