1. The image shown is from a 40 year old female who had a routine CBC, which showed thrombocytopenia (60K). Which of the following best explains her abnormalities?

2. When considering hemoglobin electrophoresis on cellulose acetate at pH 8.4, which of the following is the correct order of Hb migration from the cathode towards the anode?

3. A 3 year old male is found to have “immature” cells in the peripheral blood that are myeloperoxidase negative. Flow cytometry is performed. Based on the findings, what is the best diagnosis?

4. The blood smear in this patient comes from a 21 year old male with a mother who has hereditary elliptocytosis. What is the most likely diagnosis?

5. Abnormal lymphoid cells are identified in the blood of a 65 year old male. Flow cytometry is performed. Based on the findings, what is the best diagnosis?

6. A 45 year old woman presents to the ED with shortness of breath. A CBC was performed and the peripheral blood smear is shown. Based on the findings, what will the patient most likely be found to have?

7. A 60 year old Japanese male presents with abnormal clover-leaf appearing lymphoid cells in the peripheral blood. Flow cytometry is performed. Based on the findings, what is the best diagnosis?

8. Tests for hemoglobin solubility are most useful in which of the following situations?