The lethal dose 50 of a drug is 2500 mg,and the effective dose 50 of the drug is 250 mg.The therapeutic index of the drug will be _____.

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In this case, the therapeutic index of the drug will be 10. The therapeutic index (TI) is a ratio of the lethal dose 50 (LD50) to the effective dose 50 (ED50) of a drug. This index indicates that ten times as much drug is needed to produce a lethal effect in 50 percent of the animals as is needed to produce the therapeutic effect in 50 percent of the animals.

The Lethal Dose 50 of a Drug Is 2500 Mg,and