This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Eustachian Tube, Subject name: ENT
A child has Adenoidectomy done but he has effusion in middle ear. What is done next: 
Select and explain. 
A. Grommet insertion, B. Mastoidectomy, C. Tympanoplasty, D. None
A: Grommet insertion
Answer: A: Grommet insertion 
Explanation: (a) Grommet insertion(Ref. Scott Brown, 8th ed., Vol 2; 125)Since Eustachian tube function takes time to come back to normal Myringotomy with grommet should have been done along with adenoidectomy in the mentioned child.