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
Direction of water jet while doing syringing of ear should be: 
Select and explain. 
A. Anteroinferior, B. Posterosuperior, C. Anterosuperior, D. Posteroinferior
B: Posterosuperior
Answer: B: Posterosuperior 
Explanation: 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.