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Occupational Health & Hazards — Practice

Q1.Moderate

A factory using lead-acid batteries reports several workers with abdominal colic, anaemia, and a bluish line on the gums. As the occupational health physician, which single biological investigation best confirms recent lead absorption?

ABlood lead level

BPeripheral smear for basophilic stippling

CSerum ferritin

DUrinary coproporphyrin qualitative test

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