Screening Tests for the Evaluation of VWD Include the Platelet

question 9

Multiple Choice

Screening tests for the evaluation of VWD include the platelet count, APTT, PT, bleeding time, and/or PFA-100. Which of the following results would be evident in most cases of VWD?

• A) Low platelet count
• B) Decreased ristocetin platelet aggregation
• C) Normal ristocetin platelet aggregation
• D) Normal Ag assay

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