This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastro-Intestinal Tract, Subject name: Pharmacology
[{'content': 'Anticholinergic drug useful in treatment of peptic ulcer disease is \nSelect and explain. \nA. Cimetidine, B. Misoprostol, C. Omeprazole, D. Pirenzipine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Peptic Ulcer Disease 1) Drug inhibiting the M1 receptor - Pirenzepine 2) Drug blocking the H2 receptor - Cimetidine - Ranitidine 3) Prostaglandin - Misoprostol - It is chemically PGE1 but work like PGE2 4) Proton pump inhibitors: - Omeprazole - Esomeprazole - Pantoprazole - Lansoprazole - Rabeprazole', 'role': 'assistant'}]