Lead concentration in blood is considered alarming if it is |
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a) |
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b) |
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c) |
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d) |
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Lead concentration in blood is considered alarming if it is |
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a) |
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b) |
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c) |
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d) |
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(b)
The concentration of lead in blood averages about . Increase to
is generally associated with clinical symptoms. Hence, a level of
is considered alarming.