This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
[{'content': 'Which of the following does not result in the release of nitric oxide \nSelect and explain. \nA. Fenoldopam, B. Hydralizine, C. Nitroprusside, D. Nitroglycerin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Refer katzung 11e 180-181 nitric oxide donors include Sodium nitroprusside organic nitrates nitrates Hydralazine Propofol Nebivolol', 'role': 'assistant'}]