Drug X has a median lethal dose of 30 mg and a median effective dose of 10. Drug Y has a therapeutic index of 4, while drug Z has a therapeutic index of 3. Which statement is accurate based on this information?
1. Drugs X and Y are safer than drug Z.
2. The therapeutic index of drug X is 20.
3. Drug Y is the safest of the three.
4. Drug Z is the safest of the three.
Correct Answer: 3
Rationale: Drug Y is the safest.
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NANDA International meets to reorganize diagnosis labels and language every ______ years
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