PHAR 100 Chapter Notes - Chapter 9: Opioid Overdose, Gastrointestinal Physiology, Narcotic Control Act

• School: Queen's University
• Department: Pharmacology and Toxicology
• Course: PHAR 100
• Professor: Bill Racz

Document Summary

Define the terms opioid endorphins and opiate. State the role of opioid receptors in mediating opioid-induced analgesia. List the classification of the opiates and give an example of each class. State the therapeutic uses for opioid drugs and treatment for abuse. State the pharmacological effects of the opiods. Describe dependence and abuse to morphine and heroin. Opium crude resinous exudate of the opium poppy, papaver somniferum. Used extensively for social and medicinal purposes to produce euphoria, analgesia, sleep and relief from diarrhea (300 b. c. to 1800 a. d) Morphine and codeine are analgesic (pain-relieving) drugs; making up approx. Opioid refers to any natural or synthetic substance which exerts actions on the body that are similar to those induced by morphine. These are antagonized (blocked) by the drug naloxone: opiates narcotics (analgesic agents, substances structurally related to morphine, synthetic drugs with structures different from that of morphine, endogenous brain peptides that exert analgesic actiodns (opioid peptides: enkephalins and endorphins)