This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disease of External Nose & Nasal Septum, Subject name: ENT
Alternative for SMR: 
Select and explain. 
A. Tympanoplasty, B. Septoplasty, C. Caldwell-Luc operation, D. Turboplasty
B: Septoplasty
Answer: B: Septoplasty 
Explanation: (b) Septoplasty(Ref. Cummings, 6th ed., 481)Septoplasty is more conservative procedure than SMR and is the preferred surgery for DNS.