<prompt> Which of the following anticholinergic is used for peptic ulcer diseaseDicyclomineMethacolinePirenzepineAclidinium  <response>: Pirenzepine is a M1 receptor antagonist.Acetyl choline acts on M1 receptors present on gastric glands to increase acid secretion and Pirenzepine is used to treat peptic ulcer disease by blocking these receptors. 