You have started a patient on a new drug. Each dose introduces 40 pg/mL of drug after redistribution and prior to elimination. This drug is administered at 24 h intervals and has a half life of 24 h. What will the concentration of drug be after each of the first six doses? Show your work a. What is the concentration after the fourth dose?  in pg/mL b. What is the concentration after the fifth dose?  in pg/mL c. What is the concentration after the sixth dose?  in pg/mL

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