Chelating agents

All the following are true regarding chelating agents, except

Metals with longer half-life are difficult to be removed by chelation

Chelating agents accelerate the elimination of the metals from the body

Efficacy of a chelating agent increases if it is administered soon after an acute metal exposure

Chelating agents does not redistribute metals to other organs while eliminating them

Dimercaprol is a therapeutic antidote against poisoning by all the following metals, except

Arsenic

Iron

Lead

Mercury

Succimer has a comparable efficacy with EDTA in enhancing the elimination of

Lead

Copper

Arsenic

Mercury

Penicillamine is a therapeutic antidote against poisoning by

Mercury

Lead

Iron

Copper

Which of the iron chelating agents is least associated with adverse effects?

Deferoxamine

Dexrazoxane

Deferasirox

Deferiprone

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