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
MicroWick and Microcatheter sustained release devices are used in - 
Select and explain. 
A. Drooling of saliva, B. Frey's syndrome, C. Conrol of epistaxis, D. Delivering drug to the round membrane
D: Delivering drug to the round membrane
Answer: D: Delivering drug to the round membrane 
Explanation: None