Sun28November0628PM 33

Which of the following best describes the term therapeutic index in humans?

(Please select 1 option)

The effective dose50 (ED50) divided by the toxic dose50 (TD50)

The ED50 divided by the sum of the (LD50 + TD50)

The ED50 divided by the lethal dose50 (LD50)

The TD50 divided by the ED50 Correct

The LD50 divided by the TD50

Explanation

The therapeutic index in humans is the toxic dose50 for 50% of the population (TD50) divided by the minimum effective dose50 for 50% of the population (ED50).

The therapeutic index in animals is the lethal dose50 for 50% of the population (LD50) divided by the minimum effective dose50 for 50% of the population (ED50).

Answer Statistics

1

41%

2

14%

3

16%

4

24%

5

7%

Times answered: 255