Sample Tes

Apuntes

A 32-year-old woman with type 1 diabetes mellitus has had progressive renal failure during 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 μm3. A blood smear shows normochromic, normocytic cells. Which of the following is the most likely cause? (A) Acute blood loss (B) Chronic lymphocytic leukemia (C) Erythrocyte enzyme deficiency (D) Erythropoietin deficiency (E) Immunohemolysis (F) Microangiopathic hemolysis (G) Polycythemia vera (H) Sickle cell disease (I) Sideroblastic anemia (J) β-Thalassemia trait (Answer: D) NOTE: Some item types that appear on the Step 1 examination are NOT depicted in the sample items provided in this booklet, eg, items with multimedia features, such as audio. Also, when additional item formats are added to the exam, notice will be provided at the USMLE website: http://www.usmle.org. You must monitor the website to stay informed about the types of items that occur in the exam, and you must practice with the downloadable sample test items available on the USMLE website to be fully prepared for the examination. USMLE STEP 1 TES...