This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Pharmacology), Subject name: Pharmacology
Pirenzepine is used in: 
Select and explain. 
A. Peptic ulcer, B. Psychosis, C. As sedative, D. Overactive bladder
A: Peptic ulcer
Answer: A: Peptic ulcer 
Explanation: Ans. A. Peptic ulcerPirenzepine is M1 antagonist which is present on the gastric glands. It decreases the acid secretion and thus used in peptic ulcer.