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
Time of occurence of secondary haemorrhage after tonsillectomy - 
Select and explain. 
A. 24 hrs, B. 6 days, C. 12 days, D. 12 hrs
B: 6 days
Answer: B: 6 days 
Explanation: Secondary hemorrhage after tonsillectomy is seen between 5th to 10th post-operative days. Infection in tonsillar fossa is the cause of secondary hemorrhage.