Most common mode of lead poisoning

Ans. is 'c' i.e., Inhalation Lead poisoning (plumbism) may occur in 3 ways : ? 1) Inhalation - Most cases of industrial lead poisoning is due to inhalation of fumes and dust of lead or its compounds. 2) Ingestion - Small quantities of lead trapped in the upper respiratory tract may be ingested. Contaminated hands may also lead to ingestion. 3) Skin - Only organic lead (e.g., tetraethyl lead) is absorbed dermally.