An elevated immature reticulocyte fraction is associated with:
a. Bone marrow suppression
b. Chemotherapy
c. Bone marrow response to anemia
d. Renal disease
ANS: C
An elevated immature reticulocyte fraction is associated with a bone marrow response to anemia. It is a reliable indicator of changes in erythropoietic activity and may prove to be a valuable monitoring tool for patients with anemia, such as those with chronic renal failure who are treated with recombinant erythropoietin.
Health Professions
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Some WBCs leave the blood vessels by a mechanism called ____.
A. osmosis B. diffusion C. diapedesis D. osmotic pressure E. filtration
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