Waec Model Questions Vol1 2021 Civic Education Question 49
Practice objective / multiple choice question 49 from the 2021 Waec Model Questions Vol1 Civic Education examination.
A medication has an elimination half‑life of 6 hours. A patient receives an initial dose of 200 mg. After 4 hours, a second dose of $X$ mg is administered. The therapeutic window requires the amount of drug in the body to stay between 50 mg and 150 mg at all times (assume amount in the body is directly proportional to plasma concentration). What is the greatest integer value of $X$ (in milligrams) that will not cause the amount to exceed the upper limit at any time within the next 12 hours?
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About This Question
This is Waec Model Questions Vol1 2021 Civic Education Question 49. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Civic Education examination.
Difficulty level: Hard .
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