A drug that requires constant monitoring would have Ono TD50. a TD50 that is 1000 times the ED50. an ED50 that is less than the TD50. OTD50 and ED50 that are too close.
Added by Milagros J.
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Step 1: The ED50 is the dose of a drug that produces a therapeutic effect in 50% of the population. Show more…
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The effective dose 50 (ED50) for Drug A is 2 mg/kg while its lethal dose 50 (LD50) value is 8 mg/kg. Which of the following is true of Drug A? Group of answer choices Drug A is ineffective for its intended purpose Drug A has a therapeutic index of 4. Drug A would be deemed safe for use in humans by the FDA. The therapeutic index of Drug A is 0.25
Adi S.
Methadone is often prescribed in the treatment of opioid addiction and chronic pain. Krantz et al. (A-2) studied the relationship between the dose of methadone and the corrected QT (QTc) interval for 17 subjects who developed torsade de pointes (ventricular tachycardia nearly always due to medications). QTc is calculated from an electrocardiogram and is measured in mm/s. A higher QTc value indicates a higher risk of cardiovascular mortality. A question of interest is how well one can predict and estimate the QTc value from a knowledge of methadone dose. WHAT IS THE NULL AND ALTERNATIVE HYPOTHESIS?
Dr. Krantz investigated dose-related effects of methadone in subjects with torsade de pointes, a polymorphic ventricular tachycardia. In the study of 17 subjects, nine were being treated with methadone for opiate dependency and eight for chronic pain. The mean daily dose of methadone in the opiate dependency group was 541 mg/day with a standard deviation of 156, while the chronic pain group received a mean dose of 269 mg/day with a standard deviation of 316. Construct a 95 percent confidence interval for the difference between the mean of two populations for dosage of the methadone.
Ivan K.
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