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Ch End 5

QuestionAnswer
The earliest recognizable erythroid precursor on a Wright-stained smear of the bone marrow is: A. pronormoblast
This renal hormone stimulates erythropoiesis in the bone marrow: B. erythropoietin
Haptoglobin can become depleted in: B. intravascular hemolysis
The erythrocyte life span is most directly determined by: C. membrane deformability
Normal sequence of erythroid maturation pronormoblast, basophilic normoblast, polychromatic normoblast, orthochromic normoblast, reticulocyte
The primary effector of increased erythrocyte production, or erythropoeisis, is: C. tissue hypoxia
An increase in the reticulocyte count should be accompanied by: D. polychromasia (a condition in which the erythrocytes, on staining, show various shades of blue combined with tinges of pink)on the Wright’s stained blood smear
What property of the normal erythrocyte membrane allows the 7um cell to squeeze through 3um fenestrations in the spleen? D. deformability
An increase of erythrocyte membrane rigidity would be predicted to have what effect? C. decrease in cell life span
A patient with an anemia due to increased intravascular hemolysis would likely present with what lab results? B. hemoglobinuria
Created by: BOMLT