Graduate Pharmacy Aptitude Test (GPAT) 2008 Solved Paper

Statement for Linked Answer Question 82.& 83.
A 250‌mg dose of a drug was administered to a patient by rapid IV injections. The initial plasma concentration was 2.50‌ig∕mL. After 4 hours the plasma concentration was 1.89µg∕mL. Assuming that the drug was eliminated by a pseudo first order process and the body behaves as one compartment model.