Red blood cells that stain peroxidase positive are an indication that:

Question

Quizplus · Accepted Answer

Peroxidase positive staining is an indicator of the presence of myeloid precursors, which release peroxidase into the cytoplasm during maturation. If the incubation period is too short, or if the smears are too thin or too thick, this will not affect the peroxidase staining. However, if the incubation period is too long, some red blood cells may be damaged or destroyed, releasing their peroxidase and leading to false positive staining of the red blood cells. Therefore, C is the best choice.

Red Blood Cells That Stain Peroxidase Positive Are an Indication