Urine from a Child Suspected of Having Lead Poisoning Has

question 13

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

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