A peripheral blood smear indicator of ineffective bone marrow response is:

Question

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Polychromasia is a term used to describe red blood cells that have varying shades of blue-gray color due to the presence of residual RNA in the cell. This is indicative of an effective bone marrow response to increased demand for new red blood cells. Therefore, a lack of polychromasia on a peripheral blood smear may indicate ineffective bone marrow response.

A Peripheral Blood Smear Indicator of Ineffective Bone Marrow Response