<prompt> Which of the following metal ions is associated with secondary Parkinsonisms:Mangnese MnMagnesium MgSelenium SeMolybednum Me  <response>: Answer is A Mangnese Mn: Manganese ion exposure is implicated in the free radical damage of the basal ganglia causing Parkinsonism. Toxins Implicated in Parkinsonism Harrison 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 Maneb Manganese Ethylene-Bis-Dithiocarbamate Mercury Methanol Methcathinone manganese ephedrone MPTP I-methyl-4-phenyl-1,2,3,6-tetrahydropyridine Organic solvents carbon disulfide, n-hexane, toluene, trichloroethylene Organophosphate insecticide poisoning Petroleum products 