This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Drugs which increases nitric oxide are all except? \nSelect and explain. \nA. Glycerine trinitrate, B. Hydralazine, C. Sodium nitroprusside, D. Fenoldopam', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Fenoldopam o NO donors, which release NO are used to elicit smooth muscle relaxation. Drugs are - 1. Organic nitrates (nitroglycerine) 3. Sodium nitroprusside 5. Nebivolol 2. Organic nitrites (Isoamylnitrite) 4. Hydralazine", 'role': 'assistant'}]