This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Nitroglycerine can be administered by all of the following routes except \nSelect and explain. \nA. Oral, B. Sublingual, C. Intramuscular, D. Intravenous', 'role': 'user'}, {'content': 'Answer: C \nExplanation: NTG is a nitrate acting by releasing NO and causing vasodilation of vessels. useful in treatment of angina. Can be given by oral, sublingual,IV not by i.m route. Ref: KD Tripathi 8th ed.', 'role': 'assistant'}]