RT Book, Section A1 Katzung, Bertram G. A1 Kruidering-Hall, Marieke A1 Trevor, Anthony J. SR Print(0) ID 1179215560 T1 Cholinoceptor Blockers & Cholinesterase Regenerators T2 Katzung & Trevor's Pharmacology: Examination & Board Review, 12e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259641022 LK accessmedicine.mhmedical.com/content.aspx?aid=1179215560 RD 2024/04/20 AB The cholinoceptor antagonists consist of 2 subclasses based on their spectrum of action (ie, block of muscarinic versus nicotinic receptors). These drugs are pharmacologic antagonists or inverse agonists (eg, atropine). A third, special, subgroup, the cholinesterase regenerators, are not receptor blockers but rather are chemical antagonists of organophosphate acetylcholinesterase (AChE) inhibitors.