Example Item
A 32-year-old woman with type 1 diabetes mellitus has had progressive renal failure over the past 2 years. She has not yet started dialysis. Examination shows no abnormalities. Her hemoglobin concentration is 9 g/dL, hematocrit is 28%, and mean corpuscular volume is 94 m3. A blood smear shows normochromic, normocytic cells. Which of the following is the most likely cause?
- Acute blood loss
- Chronic lymphocytic leukemia
- Erythrocyte enzyme deficiency
- Erythropoietin deficiency
- Immunohemolysis
- Microangiopathic hemolysis
- Polycythemia vera
- Sickle cell disease
- Sideroblastic anemia
- β-Thalassemia trait
(Answer: 4)
Fonte: http://usmle.org/step-1/