<prompt> Which of the following metal ions is associated with secondary ParkinsonismsMangneseMagnesium MgSelenium SeMolybednum Me  <response>: Manganese ion exposure is implicated in the free radical damage of the basal ganglia causing Parkinsonism. Toxins Implicated in Parkinsonism Manganese Mn MPTP 1 Methyl - Phenyl -1, 2, 3, 6 tetrahydropyridine Carbonmonoxide Carbondisulphide Ctanide Hexane Methanol Toxins repoed to induce Parkinonism: Handbook of Atypical Parkinsonism Betel nut plus antiPsychotics Carbon monoxide Contrast agent for cardiac catheterization Cyanide Ethanol intoxication, ethanol withdrawal Ethylene glycol Herbicides paraquat, diquat, glyphosate Heroin Hydrogen sulfide Kava-kava Manganese REF: Harrison book of internal medicine 21ST EDITION 