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
[{'content': 'Urinary retention producing drugs are \nSelect and explain. \nA. Alcohol, B. Captopril, C. Cinnarazine, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (C) Cinnarazine# Urinary retention, also known as ischuria, is a lack of ability to urinate. It is a common complication of benign prostatic hyperplasia (BPH), although it can also be caused by nerve dysfunction, constipation, infection, or medications (including anticholinergics, anti- depressants, COX-2 inhibitors, amphetamines and opiates).> Diagnosis and/or treatment may require use of a catheter or prostatic stent.', 'role': 'assistant'}]