1. The cell illustrated in the image for Case #4 in the images below is best characterized as:

2. What is the approximate frequency of the sickle cell gene among the African American population?

3. Which of the following is the best description of “Bart’s hemoglobin”?

4. Which of the following is the most likely explanation of the findings in the images below:

5. A test using brilliant crystal blue and then evaluating blood smears at 10 minutes, 1 hour, and then 4 hours is used to evaluate for which of the following?

6. The blood smear illustrated in Case #3 in the images below is from a 13 y/o African American patient. Which of the following is the best diagnosis:

7. A 44 y/o male presents to the ED with fever and shortness of breath. The peripheral blood smear illustrated in Case #2 in the images below represents which of the following:

8. A 35 y/o black woman with a Hb-5.2, MCV-63, and MCHC-28.2. A peripheral smear is reviewed and representative images are illustrated in Case #6 in the images below. The best diagnosis is:

9. All of the following are associated with a heterogeneous staining pattern in an acid elution test for fetal hemoglobin EXCEPT:

10. The cell illustrated in the image for Case #5 in the images below is best characterized as:

11. The peripheral blood smear illustrated in Case #1 in the images below is from a young girl with recurrent infections. What is the most likely diagnosis: