This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Management of Wounds, Subject name: Surgery
Reactionary hemorrhage - 
Select and explain. 
A. Bleeding within 24 hrs, B. Bleeding after 24 hrs, C. After one week, D. During surgery
A: Bleeding within 24 hrs
Answer: A: Bleeding within 24 hrs 
Explanation: Ans. is 'a' i.e., Bleeding within 24 hrs