Which iron-study pattern most strongly supports uncomplicated iron deficiency?

Question

Accepted Answer

보기 1: Low ferritin, low serum iron, and increased total iron-binding capacity

Iron deficiency typically depletes storage iron, lowering ferritin and serum iron while increasing transferrin or total iron-binding capacity.

Answer

보기 2: High ferritin, high serum iron, and absent transferrin

Answer

보기 3: Normal ferritin with isolated prolonged PT

Answer

보기 4: High haptoglobin with macrocytosis

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