<prompt> A man who is working in marine timbers presented with a paicular appearance on nails which is diagnosed as Mees lines. Mees lines are seen in poisoning with:ArsenicLeadMercuryCopper  <response>: Dermatologic effects of Arsenic poisoning: Findings occasionally appear after a delay of 1-6 weeks. Desquamation paicularly involving the palms and soles A diffuse maculopapular rash Periorbital edema Transverse white striae in the nails Aldrich-Mees lines may become apparent months after an acute intoxication. Ref: Kosnett M.J. 2012. Chapter 24. Arsenic. In K.R. Olson Ed, Poisoning Drug Overdose, 6e. 