Which of the following characterizes stage 1 iron deficiency?
Anemia MCV Ferritin
a. Present Decreased Decreased
b. Present Normal Normal
c. Absent Normal Decreased
d. Absent Decreased Normal
ANS: C
In early stage 1 iron deficiency, the red cell mass in circulation is unaffected, so anemia is not present and the MCV is normal. However, iron stores are being depleted, so ferritin is decreased.
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