Question 3 (1.5 points) The drug has a minimum effective dose of 200 mg and a th

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Question 3 (1.5 points) The drug has a minimum effective dose of 200 mg and a therapeutic index of 2. Each tablet is 200mg. Assuming the tablets cannot be broken, how many tablets should the patient take at the initial dose? Your Answer: Answer Save Question 4 (1.5 points) Drug Y and Drug Z function in the same manner; however, the therapeutic index of Drug Y is 3 and Drug Z is 6. Why should Drug Z be selected? 0 A. If the dosages of the tablets are the same, the patient would have to take Drug Z less frequently than Drug Y. O B. Drug Z is less toxic than Drug Y. ° C. Drug Z is less likely to encourage the development of antimicrobrial drug resistance than DruoY D. Drug Z is costs less than Drug Y

Explanation / Answer

Ans 3 : 1

The therapeutic index is the ratio of the drug that causes the therapeutic effect to the amount that causes toxicity.

Since the drug has a therapeutic index of 2 , the double of 200 mg may cause toxicity in the patient.

So only one tablet must be given .

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