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Multiple Choice

The prefix poikilo- means?

Poikilo- signals variability in shape or form. In hematology, this shows up as poikilocytosis, where red blood cells come in many different shapes rather than a single uniform appearance. That’s why the meaning is varied or irregular. The other options describe sameness—uniform, regular, or consistent—which would refer to shapes that are all alike, not the varied forms indicated by poikilo-.

Poikilo- signals variability in shape or form. In hematology, this shows up as poikilocytosis, where red blood cells come in many different shapes rather than a single uniform appearance. That’s why the meaning is varied or irregular. The other options describe sameness—uniform, regular, or consistent—which would refer to shapes that are all alike, not the varied forms indicated by poikilo-.