ANSWERS GRADED A+(2025-2026)
EDITION.
Name the two major categories of analgesics - Answer 1. Centrally-acting Opioid Narcotic
Analgesics
-Opioid rc agonists
(µ, Δ, ƙ - are types of "morphine receptors")
2. Peripherally-acting Non-opioid Analgesics
-Prostaglandin inhibitor NSAIDs and Tylenol
List eight other classes of drugs that have been used to provide pain relief in certain
circumstances - Answer 1. α2-adrenergic agonists (clonidine)
2. β-blockers (antagonists)
3. Ca++ Channels blockers (antagonists)
4. TCAs (Tricyclic antidepressants)
5. Serotonin rc agonists (SSRIs)
6. Na+ channel blockers (local anesthetics)
7. General Vasoconstrictors: ergotamine (sympathomimetic)
8. Sedatives and Anxiolytics
Define the term "opiate" - Answer Opiates are the naturally occurring µ-receptor agonists
derived from opium
Define the term "opioid" - Answer All opioids, natural or synthetic, are µ-receptor agonists
Define the term "narcotic" - Answer By definition it is pertaining to or producing narcosis:
"sleep," "benumbing," "deadening"
Be able to name the common opioid analgesics - Answer opium
morphine
codeine