RT Book, Section A1 Badri, Sami A1 Desai, Mehul A2 Freeman, Brian S. A2 Berger, Jeffrey S. SR Print(0) ID 1102566983 T1 Opioids T2 Anesthesiology Core Review: Part One Basic Exam YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 9780071821377 LK accessanesthesiology.mhmedical.com/content.aspx?aid=1102566983 RD 2024/04/24 AB Opioids are a class of endogenous, naturally occurring, and synthetic compounds that primarily provide analgesia. The effects of opioids are generated at an array of receptors found in peripheral, spinal cord, and brain tissues. Individual opioid receptors may be responsible for analgesia, muscle rigidity, depressed respiratory drive, bradycardia, hypotension, constipation, urinary retention, nausea, and sedation, to name several important clinical effects.