BIOLOGY IN HUMAN WELFARE
HUMAN HEALTH AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Scientists determined that the LD50 for a particular chemical toxin was a dosage level of the 125 mg per kg of body mass for a test population of rats. Assuming that the toxic effect observed in rats is the same for similar animals of larger size, what dosage level would be needed to kill 50% of the population of mammals who typically have a mass of 20kg
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2.5g
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25g
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250g
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2500g
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25, 000g
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Explanation:
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