Urine from a Child Suspected of Having Lead Poisoning Has

Multiple Choice

Urine from a child suspected of having lead poisoning has a red fluorescence under Wood's lamp.This finding is:

A) Inconsistent with lead poisoning because porphobilinogen does not fluoresce
B) Consistent with lead poisoning because coproporphyrin fluoresces under ultraviolet light
C) Consistent with lead poisoning only if uroporphyrin is also increased
D) Consistent only if protoporphyrin can be demonstrated using Ehrlich reagent