This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Forensic Toxicology - Concepts, Statutes, Evidence, and Techniques, Subject name: Forensic Medicine
Plumbism is? 
Select and explain. 
A. Lead poisoning, B. Mercury poisoning, C. Thallium poisoning, D. Copper poisoning
A: Lead poisoning
Answer: A: Lead poisoning 
Explanation: Ans. is 'a' i.e., Lead poisoning o Plumbism is chronic lead poisoning.