The Blood Lead Level of a Child Is 7 $\mu$ G/dL the Primary Health-Care Provider Prescribed Intravenous Edentate Calcium-Disodium (EDTA)

The blood lead level of a child is 7 $\mu$ g/dL. The primary health-care provider prescribed intravenous edentate calcium-disodium (EDTA) and intramuscular dimercaprol to the child. Which outcome indicates that the medications are effective?

A) The child demonstrates good math and reading skills.
B) The child no longer appears confused or delirious.
C) The child breathes freely without any discomfort.
D) None of the above