This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Pharmacology, Subject name: Pharmacology
[{'content': 'Which of the following is not a systemic route of drug administration? \nSelect and explain. \nA. Transdermal, B. Intravenous, C. Subcutaneous, D. Intraarterial', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D. Intraarteriala. Intraarterial drug administration is used to expose a particular organ to drug supplied by the artery and hence it is a local route.b. This decreases risk of systemic toxicity.c. Anticancer drugs for hepatocellular carcinoma and head and neck cancer are given by intraarterial route.', 'role': 'assistant'}]