Which of the following statement(s) is/are true concerning heparin-associated thrombocytopenia?
A.	Heparin-associated thrombocytopenia occurs only in the face of over anticoagulation with heparin
B.	Severe thrombocytopenia (platelet count less than 100,000) is seen in less than 10% of patients treated with heparin
C.	Heparin-associated thrombocytopenia is due to the aggregation of platelets and may result in thrombosis or embolic episodes
D.	Heparin-associated thrombocytopenia may be seen within hours of initiation of heparin therapy
Answer:B
Which of the following statement(s) is/are true concerning heparin-associated thrombocytopenia?
A.	Heparin-associated thrombocytopenia occurs only in the face of over anticoagulation with heparin B.	Severe thrombocytopenia (platelet count less than 100,000) is seen in less than 10% of patients treated with heparin C.	Heparin-associated thrombocytopenia is due to the aggregation of platelets and may result in thrombosis or embolic episodes D.	Heparin-associated thrombocytopenia may be seen within hours of initiation of heparin therapy