Which one of the following tests is the most sensitive indicator of iron status after iron stores are depleted but before anemia develops?
A)Hematocrit
B)Hemoglobin
C)Serum ferritin
D)Soluble transferrin receptor

Question

Quizplus · Accepted Answer

Soluble transferrin receptor is the most sensitive indicator of iron status after iron stores are depleted but before anemia develops. This is because soluble transferrin receptor levels increase in response to decreased iron availability, making it a more sensitive marker than hematocrit, hemoglobin, or serum ferritin at this stage of iron deficiency.

Which One of the Following Tests Is the Most Sensitive