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01/11/2021 4:24 pm
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Lead concentration in blood is considered alarming if it is
(1) 4–6 mg/100 ml
(2) 20 mg/100 ml
(3) 10 mg/100 ml
(4) 30 mg/100 ml
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01/11/2021 4:24 pm
Correct answer: (4) 30 mg/100 ml