What are the signs and treatment for lead poisoning in animals?

The most common routes of lead poisoning are the consumption of certain dietary supplements, multivitamin complexes, and some fertilizers.
The salts containing iron are corrosive and cause hemorrhagic necrosis, and can accumulate and dissolve slowly in the stomach.
The exact mechanism of action of lead is unknown, but it can block enzymes containing thiol and replace it with zinc.
The signs of lead poisoning include neurological signs, gastrointestinal signs, and anemia.
a) A, B, and C are correct.
b) B, C, and D are correct.
c) A, C, and D are correct.