Therapeutic index is____________?
Correct answer: C. LD 50/ED500
- A. LD 100/Ed100
- B. ED 100/LD 100
- C. LD 50/ED500
- D. ED50/LD50
Explanation
The therapeutic index is conventionally calculated as LD50 divided by ED50, comparing the median lethal dose with the median effective dose. Option c appears to contain a typographical extra zero in “ED500.”
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