Residual ribosomal RNA in reticulocytes is demonstrated with which type of stain?

Residual ribosomal RNA in reticulocytes is

Multiple choice — select the best answer

ASupravital stain such as new methylene blue
BWright-Giemsa stain
CPrussian blue (iron) stain
DPeriodic acid-Schiff stain

✓ Correct answer: A. Supravital stain such as new methylene blue Reticulocyte RNA is precipitated only by supravital stains (new methylene blue or brilliant cresyl blue) applied to living cells; Wright stain does not reliably show the reticulum.

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Topic: Hematology

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