Hem/Onc Quiz #11: Microcytic Anemias

1. A 17-year-old female presents to the clinic with complaints of fatigue, weakness, and pallor. She has a history of heavy menstrual periods. Laboratory findings show a hemoglobin of 10 g/dL, MCV of 72 fL, and serum ferritin of 15 ng/mL. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 6-year-old child of Mediterranean descent presents with failure to thrive and splenomegaly. Laboratory tests reveal hemoglobin of 9.5 g/dL, MCV of 70 fL, and target cells on peripheral smear. Which of the following genetic tests is most likely to confirm the diagnosis? 

Question 2 of 5

3. A 35-year-old woman with a history of rheumatoid arthritis presents with complaints of fatigue and weakness. Her laboratory tests reveal hemoglobin of 11 g/dL, MCV of 78 fL, and high serum ferritin. Which of the following is the most likely cause of her anemia? 

Question 3 of 5

4. A 4-year-old boy is brought to the pediatrician because his parents are concerned about his slow growth and frequent infections. Physical examination reveals pale conjunctivae and a systolic murmur. Blood tests show a hemoglobin of 7 g/dL, MCV of 65 fL, and an elevated RDW. Lead levels in the blood are significantly elevated. Which of the following is the most likely diagnosis? 

Question 4 of 5

5. A 29-year-old woman presents with fatigue and shortness of breath. She is a strict vegetarian and does not take any supplements. Laboratory findings reveal hemoglobin of 9 g/dL, MCV of 74 fL, and normal ferritin levels. Which of the following dietary deficiencies is most likely responsible for her anemia? 

Question 5 of 5


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