Topics covered include: four stages of anesthesia (induction, excitement, surgical anesthesia, medullary paralysis), mechanism of action and common side effects of general and local anesthetics, GABA-A receptors, NMDA receptors, 2-pore-domain potassium channels, alpha-2A adrenergic receptors. Drugs mentioned include; Etomidate, Propofol, Barbiturates, Ketamine, Nitrous Oxide, Xenon, Cyclopropane, Halothane, Enflurane, Isoflurane, Sevoflurane, Desflurane, Dexmedetomidine, Bupivacaine, Lidocaine, Mepivacaine, Procaine, Ropivacaine, and Tetracaine.