This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autacoids, Subject name: Pharmacology
[{'content': 'Nitric oxide produces its anti-aggregatory action by increasing the levels of \nSelect and explain. \nA. cAMP, B. cGMP, C. ADP, D. Phosphoinositol', 'role': 'user'}, {'content': 'Answer: B \nExplanation: nitric oxide has major side effects that are mediated by activation of cytoplasmic soluble guanyl cyclase and stimulate the production of cGMP, an impoant 2nd messenger REF: ESSENTIALS OF MEDICAL PHARMACOLOGY: KD TRIPATHI:7TH EDITION;PAGE NO 103', 'role': 'assistant'}]