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: Surgery
[{'content': 'The best site for intramuscular injection is - \nSelect and explain. \nA. Deltoid, B. Anterolateral pa of thigh, C. Upper outer segment of buttocks, D. Upper inner segment of buttocks', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Upper outer segment of buttocks", 'role': 'assistant'}]