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': 'Pirenzepine is used in:- \nSelect and explain. \nA. Peptic ulcer disease, B. Bronchial asthma, C. Rheumatoid ahritis, D. Motion sickness', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pirenzipine is selective M1 receptor antagonist .so, it is used for peptic ulcer disease. * For Bronchial asthma M3 blocker such as Ipratropium is used. * For motion sickness Hyoscine is used which is M1 blocker', 'role': 'assistant'}]