This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
[{'content': 'Use of tiotropium is contraindicated in \nSelect and explain. \nA. Bronchial asthma, B. Hypeension, C. Urinary retention, D. Peptic ulcer disease', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Refer katzung 10e 117,kdt 6/e 113 Ipratropium and tiotropium are anti muscarinic drugs used for the treatment of bronchial asthma and COPD by inhalational route Anti muscarinic drugs are contraindicated in patients with Glaucoma especially angle closure glaucoma History of BPH', 'role': 'assistant'}]