Objectives To discuss what happens after drug administration Describe Absorption, Distribution and Elimination To understand the general nature of drug action -drug-receptor Interactions. agonists and antagonists, therapeutic index

By the end of the class you should be able to: Describe the process of drug absorption, the effect of pH and the significance of bioavailability List the common routes of administration with advantages and disadvantages Describe the factors influencing drug distribution in the body Define Vd, clearance and half life