Toxicological Trivia on 26/08/09: The most important route of absorption of lead and its compounds in occupational settings is: a) Inhalation; b) Oral; c) Dermal.
Answer: a. The Pb and its compounds are absorbed by: 1. Respiratory tract (inhalation) is the most important in the workplace. The risk to health from the Pb in air is related to particle size. 2. Digestive tract (ingestion): in the work environment in this way lead enters from eating contaminated food. 3. Skin contact: it is important only in the case of organic compounds of lead such as lead tetraethyl and lead tetramethyl, used as anti-knock additives in fuels. Information from: Knowledge that can be useful when working with lead, only available in Spanish.