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: ENT
[{'content': 'Direction of water jet while doing syringing of ear should be: \nSelect and explain. \nA. Anteroinferior, B. Posterosuperior, C. Anterosuperior, D. Posteroinferior', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In syringing (done to remove impacted wax) pinna is pulled upwards and backwards and a stream of water from the ear syringe is directed along the posterosuperior wall of the meatus.', 'role': 'assistant'}]