This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
Treatment of choice for glue ear Is: 
Select and explain. 
A. Conservative, B. Myringotomy with cold knife, C. Myringotomy with ventilation tube insertion, D. Myringotomy with diode laser
C: Myringotomy with ventilation tube insertion
Answer: C: Myringotomy with ventilation tube insertion 
Explanation: Treatment of glue ear where thick secretions accumulate in middle ear would be drainage through a myringotomy and long-term aeration of middle ear through a grommet. Options (b) and (d) are only myringotomy which will soon close leading to recurrence of disease.