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AP® Environmental Science

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Toxicology: Using $LD_{50}$ Data

APES-VETLKU

A sample with 100 mg of a pesticide, with a $LD_{50}$ of 10mg/kg is administered to a group of laboratory test animals with body weights of 10kg each.

Which of the following is the MOST likely result?

A

It would take 50 days for the animals to show symptoms of toxicity.

B

It will take a very long time for the animals to show symptoms of acute toxicity.

C

The pesticide can kill 50% of the people exposed to it.

D

50% of the test subjects will die if exposed to the pesticide.

E

Ten out of 50 animals will die.