Question

In plasma drug concentration versus time graph as shown in the picture, what should be the correct option for the marked place?

(a) Maximum safe concentration

(b) Minimum effective concentration

(c) Therapeutic range

(d) Onset time

I got this question during an interview for a job.

The origin of the question is Pharmacokinetic topic in chapter Pharmacokinetic Drug Interactions & Basic Considerations of Drug Biotechnology

Answer 1

The correct answer is (d) Onset time

Best explanation: Onset time is the time required for the drug to start producing pharmacologic response. It is the time for the plasma concentration of the drug to reach the minimum effective dose after administration.