Drug X has a median lethal dose of 30 mg and a median effective ...

[saraeharris]

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.

Question 2

The median effective dose is best described as
 
  1. the amount of a drug that produces an effect without the presence of adverse effects.
  2. the amount of a drug that is metabolized within 24 hours.
  3. the amount of a drug that causes an effect in half the population.
  4. the amount of a drug that causes an effect in more than half of the population.

[Benayers]

Answer to Question 1

Correct Answer: 3
Rationale: Drug Y is the safest.

Answer to Question 2

Correct Answer: 1
Rationale: The median effective dose is the amount of a drug that produces an effect without the presence of adverse effects.

[saraeharris]

Gracias!

[tkempin]

TYSM