All of the Following Are Established Criteria for the Diagnosis

question 55

Multiple Choice

All of the following are established criteria for the diagnosis of Bernard-Soulier syndrome except:

• A) An autosomal trait with clinical manifestations expressed in homozygotes
• B) Platelet agglutination in response to vWF plus ristocetin
• C) Moderate thrombocytopenia with adequate number of marrow megakaryocytes
• D) Presence of giant platelets present on peripheral blood smear
• E) Normal platelet aggregation in response to ADP, collagen, and epinephrine