Graduate Pharmacy Aptitude Test (GPAT) 2008 Solved Paper

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