NURSING EXAM QUESTIONS
TOXICOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If 1mg/kg of mass of a pesticide is the LD50 for rats in an experiment, what would be considered safe exposure for humans
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1mg/kg
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.1mg/kg
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.01mg/kg
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.001mg/kg
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Explanation:
Detailed explanation-1: -Why is knowledge about the persistence of a chemical important when considering its toxicity? Persistence measures how long a chemical remains in its present state in an area and therefore how long it might be a health concern.
Detailed explanation-2: -LD50 less than 500 mg/kg indicates high toxicity. LD50 500 to 1, 000 mg/kg indicates moderate toxicity. LD50 1, 000 to 2, 000 mg/kg indicates low toxicity.
There is 1 question to complete.