Asked by Nicole Mauren on Mar 10, 2024
Verified
How many half-lives pass when a 100-mg medication has been used, and only 6.25 mg remain?
A) 2
B) 3
C) 4
D) None of the above
Half-Lives
The time required for a quantity to reduce to half its initial value, commonly used in the context of radioactive decay.
- Become familiar with the notion of half-life in the pharmaceutical industry.
Verified Answer
BB
Braden BerrettMar 10, 2024
Final Answer :
C
Explanation :
Each half-life reduces the quantity of the substance by half. Starting with 100 mg, after one half-life, 50 mg remains; after two, 25 mg; after three, 12.5 mg; and after four, 6.25 mg. Thus, four half-lives pass to reduce the medication from 100 mg to 6.25 mg.
Learning Objectives
- Become familiar with the notion of half-life in the pharmaceutical industry.