The therapeutic index of drug A is 10,and its effective dose 50 (ED50)is 200 mg.What is the lethal dose 50 (LD50)of drug A?

Name: The therapeutic index of drug A is 10,and its effective dose 50 (ED50)is 200 mg.What is the lethal dose 50 (LD50)of drug A?
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Question

Quizplus · Accepted Answer

The LD50 of drug A is 2000 mg. The therapeutic index (TI) is a ratio of the LD50 to the ED50 of a drug. The equation is expressed as TI = LD50/ED50. Therefore, LD50 is equal to the product of the therapeutic index and ED50.

The Therapeutic Index of Drug a Is 10,and Its Effective