The nursing students are learning about the half-life of drugs. A student asks the instructor to explain half-life. What is the instructor's best response?
A) Half-life of a drug is the time it takes for the amount of drug in the body to decrease to half of the peak level it previously achieved.
B) Half-life is the amount of time it takes for the drug to be metabolized by the body.
C) Half-life is the amount of time it takes for half of the drug to reach peak level in the body.
D) Half-life of a drug is the time it takes for the drug to reach half its potential peak level in the body.
A
Feedback:
The half-life of a drug is the time it takes for the amount of drug in the body to decrease to half the peak level it previously achieved. Therefore Options B, C, and D are not correct.
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