DABT Practice Questions - DABT Diplomate, American Board Of Toxicology Exam

What is the most widely accepted definition of the LD50?

The dose that causes death in 50% of a treated population under specified conditions The dose that causes 50% inhibition of a specific enzyme The lowest dose at which any adverse effect is observed The maximum tolerated dose in a 90-day study

Correct Answer:

The dose that causes death in 50% of a treated population under specified conditions

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