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
Anticholinergic drug useful in treatment of peptic ulcer disease is 
Select and explain. 
A. Cimetidine, B. Misoprostol, C. Omeprazole, D. Pirenzipine
D: Pirenzipine
Answer: D: Pirenzipine 
Explanation: 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