This video tells us how the drug dose and response of the body to drug correlate and how this dose-response relationship affects different ongoing processes in the body, drug efficiency, and related study of the slope of this drug-response curve slope. TIMELINE: 0:06 Introduction 0:28 Dose-response curve (hyperbola curve) 0:50 Log-dose-response curve (S-shaped curve) 1:25 Process of drug potency 2:17 Examples of drug potency (analgesic dose) 2:32 Drug efficiency 3:13 Example of drug efficiency 3:27 Slope (Safety of drug) 3:51 Therapeutic index 4:32 Conclusion