The first peripheral blood marker to show an abnormal result in iron deficiency anemia is:

Question

Quizplus · Accepted Answer

CHr (corrected reticulocyte hemoglobin) or Ret-He (reticulocyte hemoglobin equivalent) are the first peripheral blood markers to show an abnormal result in iron deficiency anemia, as they indicate decreased hemoglobin content of reticulocytes due to insufficient iron supply. The other options (A, C, D) may also be abnormal in iron deficiency anemia, but not as early as CHr or Ret-He.

The First Peripheral Blood Marker to Show an Abnormal Result