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: Surgery
If during blood transfusion reaction develops in the form of incompatibility, the first thing to be done is 
Select and explain. 
A. Stop the transfusion, B. Inj Hydrocortisone to be given, C. Inj Chlorpheneramine maleate to be given, D. Inj Frusemide to be given
A: Stop the transfusion
Answer: A: Stop the transfusion 
Explanation: None