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
Commonest post operative complication of tonsilectomy is - 
Select and explain. 
A. Palatal palsy, B. Hemorrhage, C. Injury to uvula, D. Infection
B: Hemorrhage
Answer: B: Hemorrhage 
Explanation: "Post-tonsillectomy hemorrhage is the most common complication, occuring in approximately 2 to 5%, and should be taken seriously".
─ Bellenger's otolaryngology