Pb (as Pb2+) is
A) toxic at all concentrations.
B) safe at all concentrations.
C) toxic at high concentrations but not at low concentrations.
D) toxic to children but not to adults at high concentrations.
Correct Answer:
Verified
Q22: Lead poisoning affects the
A)digestive system.
B)endocrine system.
C)reproductive system.
D)central
Q23: Lead is used in
A)paint.
B)some gasolines.
C)plumbing fixtures.
D)Lead is
Q24: Curare,the blow dart poison of Amazonian Indians,disrupts
Q25: Acetylcholine is a chemical messenger that
A)activates the
Q27: The cause of itai-itai,the "ouch-ouch" disease is
A)cadmium.
B)mercury.
C)lead.
D)iridium.
Q28: Botulin,the most deadly poison known,is
A)organophosphorus pesticide.
B)a nerve
Q30: The antidote for mercury poisoning, BAL, acts
Q33: The antidote for mercury poisoning is
A)atropine.
B)nicotine.
C)BAL.
D)coniine.
Q35: The antidote for poisoning by organophosphorus nerve
Q37: Which compound has been used as a
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