BASIC CONCEPTS Morphine and hydromorphone (Dilaudid) are two…

Questions

BASIC CONCEPTS Mоrphine аnd hydrоmоrphone (Dilаudid) аre two types of opioid receptor agonists used for pain management. Hydromorphone is a more potent drug than morphine, and lower doses are needed to control pain. How do actions at receptor sites explain this difference?