This problem shows another way of deriving the long-run ampicillin level. (See page
Chapter 9, Problem 32(choose chapter or problem)
This problem shows another way of deriving the long-run ampicillin level. (See page 498.) In the long run the ampicillin levels off to Q mg right after each tablet is taken. Six hours later, right before the next dose, there will be less ampicillin in the body. However, if stability has been reached, the amount of ampicillin that has been excreted is exactly 250 mg because taking one more tablet raises the level back to Q mg. Use this to solve for Q.
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